2006 ICD-9-CM OFFICIAL CODES
DISEASES TABULAR LIST 9
ICDMENU


 
 
    9. DISEASES OF THE DIGESTIVE SYSTEM (520-579)
 
    DISEASES OF ORAL CAVITY, SALIVARY GLANDS, AND JAWS (520-529)
 
  520 Disorders of tooth development and eruption
 
      520.0 Anodontia
          Absence of teeth (complete) (congenital) (partial)
           Hypodontia
           Oligodontia
 
          Excludes: acquired absence of teeth
(525.10-525.19)
 
      520.1 Supernumerary teeth
           Distomolar
           Fourth molar
           Mesiodens
           Paramolar
           Supplemental teeth
 
          Excludes: supernumerary roots
(520.2)
 
      520.2 Abnormalities of size and form
           Concrescence of teeth
           Fusion of teeth
           Gemination of teeth
           Dens evaginatus
           Dens in dente
           Dens invaginatus
           Enamel pearls
           Macrodontia
           Microdontia
           Peg-shaped [conical] teeth
           Supernumerary roots
           Taurodontism
           Tuberculum paramolare
 
          Excludes: that due to congenital syphilis
(090.5)
                     tuberculum Carabelli, which is regarded as a normal variation
 
      520.3 Mottled teeth
           Dental fluorosis
           Mottling of enamel
           Nonfluoride enamel opacities
 
      520.4 Disturbances of tooth formation
           Aplasia and hypoplasia of cementum
           Dilaceration of tooth
          Enamel hypoplasia (neonatal) (postnatal) (prenatal)
           Horner's teeth
           Hypocalcification of teeth
           Regional odontodysplasia
           Turner's tooth
 
           Excludes: Hutchinson's teeth and mulberry molars in congenital syphilis
                   
(090.5)
                    mottled teeth (520.3)
 
      520.5 Hereditary disturbances in tooth structure, not elsewhere classified
           Amelogenesis imperfecta
           Dentinogenesis imperfecta
           Odontogenesis imperfecta
           Dentinal dysplasia
           Shell teeth
 
      520.6 Disturbances in tooth eruption
           Teeth:
           embedded
           impacted
           natal
           neonatal
           primary [deciduous]:
           persistent
           shedding, premature
           Tooth eruption:
           late
           obstructed
           premature
 
          Excludes: exfoliation of teeth (attributable to disease of surrounding
                    tissues)
(525.0-525.19)
 
      520.7 Teething syndrome
 
      520.8 Other specified disorders of tooth development and eruption
           Color changes during tooth formation
           Pre-eruptive color changes
 
          Excludes: posteruptive color changes
(521.7)
 
      520.9 Unspecified disorder of tooth development and eruption
 
  521 Diseases of hard tissues of teeth
 
      521.0 Dental caries
 
           521.00 Dental caries, unspecified
 
           521.01 Dental caries limited to enamel
                 Initial caries
                 White spot lesion
 
           521.02 Dental caries extending into dentine
 
           521.03 Dental caries extending into pulp
 
           521.04 Arrested dental caries
 
           521.05 Odontoclasia
                 Infantile melanodontia
                 Melanodontoclasia
 
          Excludes: internal and external resorption of teeth
(521.40-521.49)
 
           521.06 Dental caries pit and fissure
 
           521.07 Dental caries of smooth surface
 
           521.08 Dental caries of root surface
 
           521.09 Other dental caries
 
     521.1 Excessive attrition (approximal wear) (occlusal wear)
 
           521.10 Excessive attrition, unspecified
 
           521.11 Excessive attrition, limited to enamel
 
           521.12 Excessive attrition, extending into dentine
 
           521.13 Excessive attrition, extending into pulp
 
           521.14 Excessive attrition, localized
 
           521.15 Excessive attrition, generalized
 
      521.2 Abrasion
           Abrasion of teeth:
           dentifrice
           habitual
           occupational
           ritual
           traditional
           Wedge defect NOS of teeth
 
           521.20 Abrasion, unspecified
 
           521.21 Abrasion, limited to enamel
 
           521.22 Abrasion, extending into dentine
 
           521.23 Abrasion, extending into pulp
 
           521.24 Abrasion, localized
 
           521.25 Abrasion, generalized
 
      521.3 Erosion
           Erosion of teeth:
           NOS
           due to:
           medicine
           persistent vomiting
           idiopathic
           occupational
 
           521.30 Erosion, unspecified
 
           521.31 Erosion, limited to enamel
 
           521.32 Erosion, extending into dentine
 
           521.33 Erosion, extending into pulp
 
           521.34 Erosion, localized
 
           521.35 Erosion, generalized
 
      521.4 Pathological resorption
 
           521.40 Pathological resorption, unspecified
 
           521.41 Pathological resorption, internal
 
           521.42 Pathological resorption, external
 
           521.49 Other pathological resorption
                 Internal granuloma of pulp
 
      521.5 Hypercementosis
           Cementation hyperplasia
 
      521.6 Ankylosis of teeth
 
      521.7 Intrinsic posteruptive color changes
           Staining [discoloration] of teeth:
           NOS
           due to:
           drugs
           metals
           pulpal bleeding
 
          Excludes: accretions [deposits] on teeth
(523.6)
                    extrinsic color changes (523.6)
                    pre-eruptive color changes (520.8)
 
      521.8 Other specified diseases of hard tissues of teeth
           Irradiated enamel
           Sensitive dentin
 
      521.9 Unspecified disease of hard tissues of teeth
 
  522 Diseases of pulp and periapical tissues
 
      522.0 Pulpitis
           Pulpal:
           abscess
           polyp
           Pulpitis:
           acute
          chronic (hyperplastic) (ulcerative)
           suppurative
 
      522.1 Necrosis of the pulp
           Pulp gangrene
 
      522.2 Pulp degeneration
           Denticles
           Pulp calcifications
           Pulp stones
 
      522.3 Abnormal hard tissue formation in pulp
           Secondary or irregular dentin
 
      522.4 Acute apical periodontitis of pulpal origin
 
      522.5 Periapical abscess without sinus
           Abscess:
           dental
           dentoalveolar
 
          Excludes: periapical abscess with sinus
(522.7)
 
      522.6 Chronic apical periodontitis
           Apical or periapical granuloma
           Apical periodontitis NOS
 
      522.7 Periapical abscess with sinus
           Fistula:
           alveolar process
           dental
 
      522.8 Radicular cyst
           Cyst:
          apical (periodontal)
           periapical
           radiculodental
           residual radicular
 
          Excludes: lateral developmental or lateral periodontal cyst
(526.0)
 
      522.9 Other and unspecified diseases of pulp and periapical tissues
 
  523 Gingival and periodontal diseases
 
      523.0 Acute gingivitis
 
          Excludes: acute necrotizing ulcerative gingivitis
(101)
                    herpetic gingivostomatitis (054.2)
 
      523.1 Chronic gingivitis
          Gingivitis (chronic):
           NOS
           desquamative
           hyperplastic
           simple marginal
           ulcerative
           Gingivostomatitis
 
          Excludes: herpetic gingivostomatitis
(054.2)
 
      523.2 Gingival recession
          Gingival recession (postinfective) (postoperative)
 
           523.20 Gingival recession, unspecified
 
           523.21 Gingival recession, minimal
 
           523.22 Gingival recession, moderate
 
           523.23 Gingival recession, severe
 
           523.24 Gingival recession, localized
 
           523.25 Gingival recession, generalized
 
      523.3 Acute periodontitis
           Acute:
           pericementitis
           pericoronitis
           Paradontal abscess
           Periodontal abscess
 
          Excludes: acute apical periodontitis
(522.4)
                    periapical abscess (522.5, 522.7)
 
      523.4 Chronic periodontitis
           Alveolar pyorrhea
           Chronic pericoronitis
          Pericementitis (chronic)
           Periodontitis:
           NOS
           complex
           simplex
 
          Excludes: chronic apical periodontitis
(522.6)
 
      523.5 Periodontosis
 
      523.6 Accretions on teeth
           Dental calculus:
           subgingival
           supragingival
           Deposits on teeth:
           betel
           materia alba
           soft
           tartar
           tobacco
           Extrinsic discoloration of teeth
 
          Excludes: intrinsic discoloration of teeth
(521.7)
 
      523.8 Other specified periodontal diseases
           Giant cell:
           epulis
           peripheral granuloma
           Gingival:
           cysts
           enlargement NOS
           fibromatosis
           Gingival polyp
           Periodontal lesions due to traumatic occlusion
           Peripheral giant cell granuloma
 
          Excludes: leukoplakia of gingiva
(528.6)
 
      523.9 Unspecified gingival and periodontal disease
 
  524 Dentofacial anomalies, including malocclusion
 
      524.0 Major anomalies of jaw size
 
          Excludes: hemifacial atrophy or hypertrophy
(754.0)
                     unilateral condylar hyperplasia or hypoplasia of mandible
 
           524.00 Unspecified anomaly
 
           524.01 Maxillary hyperplasia
 
           524.02 Mandibular hyperplasia
 
           524.03 Maxillary hypoplasia
 
           524.04 Mandibular hypoplasia
 
           524.05 Macrogenia
 
           524.06 Microgenia
 
           524.07 Excessive tuberosity of jaw
 
           524.09 Other specified anomaly
 
      524.1 Anomalies of relationship of jaw to cranial base
 
           524.10 Unspecified anomaly
                 Prognathism
                 Retrognathism
 
           524.11 Maxillary asymmetry
 
           524.12 Other jaw asymmetry
 
           524.19 Other specified anomaly
 
      524.2 Anomalies of dental arch relationship
 
          Excludes: hemifacial atrophy or hypertrophy
(754.0)
                    soft tissue impingement (524.81-524.82)
                     unilateral condylar hyperplasia or hypoplasia of mandible
                    (526.89)
 
           524.20 Unspecified anomaly of dental arch relationship
 
           524.21 Angle's class I
                 Neutro-occlusion
 
           524.22 Angle's class II
                 Disto-occlusion Division I
                 Disto-occlusion Division II
 
           524.23 Angle's class III
                 Mesio-occlusion
 
           524.24 Open anterior occlusal relationship
 
           524.25 Open posterior occlusal relationship
 
           524.26 Excessive horizontal overlap
 
           524.27 Reverse articulation
                 Anterior articulation
                 Posterior articulation
 
           524.28 Anomalies of interarch distance
                 Excessive interarch distance
                 Inadequate interarch distance
 
           524.29 Other anomalies of dental arch relationship
 
      524.3 Anomalies of tooth position of fully erupted teeth
 
           Excludes: impacted or embedded teeth with abnormal position of such
                    teeth or adjacent teeth
(520.6)
 
           524.30 Unspecified anomaly of tooth position
                 Diastema of teeth NOS
                 Displacement of teeth NOS
                 Transposition of teeth NOS
 
           524.31 Crowding of teeth
 
           524.32 Excessive spacing of teeth
 
           524.33 Horizontal displacement of teeth
                 Tipping of teeth
 
           524.34 Vertical displacement of teeth
                 Infraeruption of teeth
                 Supraeruption of teeth
 
           524.35 Rotation of teeth
 
          524.36 Insufficient interocclusal distance of teeth (ridge)
 
           524.37 Excessive interocclusal distance of teeth
                 Loss of occlusal vertical dimension
 
           524.39 Other anomalies of tooth position
 
      524.4 Malocclusion, unspecified
 
      524.5 Dentofacial functional abnormalities
 
           524.50 Dentofacial functional abnormality, unspecified
 
           524.51 Abnormal jaw closure
 
           524.52 Limited mandibular range of motion
 
           524.53 Deviation in opening and closing of the mandible
 
           524.54 Insufficient anterior guidance
 
           524.55 Centric occlusion maximum intercuspation discrepancy
 
           524.56 Non-working side interference
 
           524.57 Lack of posterior occlusal support
 
           524.59 Other dentofacial functional abnormalities
                 Abnormal swallowing
                 Mouth breathing
                 Sleep postures
                 Tongue, lip, or finger habits
 
      524.6 Temporomandibular joint disorders
 
           Excludes: current temporomandibular joint:
                    dislocation
(830.0-830.1)
                    strain (848.1)
 
           524.60 Temporomandibular joint disorders, unspecified
                 Temporomandibular joint-pain-dysfunction syndrome [TMJ]
 
          524.61 Adhesions and ankylosis (bony or fibrous)
 
           524.62 Arthralgia of temporomandibular joint
 
          524.63 Articular disc disorder (reducing or nonreducing)
 
           524.64 Temporomandibular joint sounds on opening and/or closing the jaw
 
           524.69 Other specified temporomandibular joint disorders
 
      524.7 Dental alveolar anomalies
 
           524.70 Unspecified alveolar anomaly
 
           524.71 Alveolar maxillary hyperplasia
 
           524.72 Alveolar mandibular hyperplasia
 
           524.73 Alveolar maxillary hypoplasia
 
           524.74 Alveolar mandibular hypoplasia
 
           524.75 Vertical displacement of alveolus and teeth
                 Extrusion of alveolus and teeth
 
           524.76 Occlusal plane deviation
 
           524.79 Other specified alveolar anomaly
 
      524.8 Other specified dentofacial anomalies
 
           524.81 Anterior soft tissue impingement
 
           524.82 Posterior soft tissue impingement
 
           524.89 Other specified dentofacial anomalies
 
      524.9 Unspecified dentofacial anomalies
 
  525 Other diseases and conditions of the teeth and supporting structures
 
      525.0 Exfoliation of teeth due to systemic causes
 
      525.1 Loss of teeth due to trauma, extraction, or periodontal disease
 
           525.10 Acquired absence of teeth, unspecified
                 Tooth extraction status, NOS
 
           525.11 Loss of teeth due to trauma
 
           525.12 Loss of teeth due to periodontal disease
 
           525.13 Loss of teeth due to caries
 
           525.19 Other loss of teeth
 
      525.2 Atrophy of edentulous alveolar ridge
 
           525.20 Unspecified atrophy of edentulous alveolar ridge
                 Atrophy of the mandible NOS
                 Atrophy of the maxilla NOS
 
           525.21 Minimal atrophy of the mandible
 
           525.22 Moderate atrophy of the mandible
 
           525.23 Severe atrophy of the mandible
 
           525.24 Minimal atrophy of the maxilla
 
           525.25 Moderate atrophy of the maxilla
 
           525.26 Severe atrophy of the maxilla
 
      525.3 Retained dental root
 
      525.4 Complete edentulism
 
    Use additional code to identify cause of edentulism
(525.10-525.19)
 
           525.40 Complete edentulism, unspecified
                 Edentulism NOS
 
           525.41 Complete edentulism, class I
 
           525.42 Complete edentulism, class II
 
           525.43 Complete edentulism, class III
 
           525.44 Complete edentulism, class IV
 
      525.5 Partial edentulism
 
    Use additional code to identify cause of edentulism
(525.10-525.19)
 
           525.50 Partial edentulism, unspecified
 
           525.51 Partial edentulism, class I
 
           525.52 Partial edentulism, class II
 
           525.53 Partial edentulism, class III
 
           525.54 Partial edentulism, class IV
 
      525.8 Other specified disorders of the teeth and supporting structures
           Enlargement of alveolar ridge NOS
           Irregular alveolar process
 
      525.9 Unspecified disorder of the teeth and supporting structures
 
  526 Diseases of the jaws
 
      526.0 Developmental odontogenic cysts
           Cyst:
           dentigerous
           eruption
           follicular
           lateral developmental
           lateral periodontal
           primordial
           Keratocyst
 
          Excludes: radicular cyst
(522.8)
 
      526.1 Fissural cysts of jaw
           Cyst:
           globulomaxillary
           incisor canal
           median anterior maxillary
           median palatal
           nasopalatine
           palatine of papilla
 
          Excludes: cysts of oral soft tissues
(528.4)
 
      526.2 Other cysts of jaws
           Cyst of jaw:
           NOS
           aneurysmal
           hemorrhagic
           traumatic
 
     526.3 Central giant cell (reparative) granuloma
 
          Excludes: peripheral giant cell granuloma
(523.8)
 
      526.4 Inflammatory conditions
          Abscess of jaw (acute) (chronic) (suppurative)
          Osteitis of jaw (acute) (chronic) (suppurative)
          Osteomyelitis (neonatal) of jaw (acute) (chronic) (suppurative)
          Periostitis of jaw (acute) (chronic) (suppurative)
           Sequestrum of jaw bone
 
          Excludes: alveolar osteitis
(526.5)
 
      526.5 Alveolitis of jaw
           Alveolar osteitis
           Dry socket
 
      526.8 Other specified diseases of the jaws
 
           526.81 Exostosis of jaw
                 Torus mandibularis
                 Torus palatinus
 
           526.89 Other
                 Cherubism
                Fibrous dysplasia of jaw(s)
                Latent bone cyst of jaw(s)
                Osteoradionecrosis of jaw(s)
                 Unilateral condylar hyperplasia or hypoplasia of mandible
 
      526.9 Unspecified disease of the jaws
 
  527 Diseases of the salivary glands
 
      527.0 Atrophy
 
      527.1 Hypertrophy
 
      527.2 Sialoadenitis
           Parotitis:
           NOS
           allergic
           toxic
           Sialoangitis
           Sialodochitis
 
          Excludes: epidemic or infectious parotitis
(072.0-072.9)
                    uveoparotid fever (135)
 
      527.3 Abscess
 
      527.4 Fistula
 
          Excludes: congenital fistula of salivary gland
(750.24)
 
      527.5 Sialolithiasis
           Calculus of salivary gland or duct
           Stone of salivary gland or duct
           Sialodocholithiasis
 
      527.6 Mucocele
           Mucous:
           extravasation cyst of salivary gland
           retention cyst of salivary gland
           Ranula
 
      527.7 Disturbance of salivary secretion
           Hyposecretion
           Ptyalism
           Sialorrhea
           Xerostomia
 
      527.8 Other specified diseases of the salivary glands
           Benign lymphoepithelial lesion of salivary gland
           Sialectasia
           Sialosis
           Stenosis of salivary duct
           Stricture of salivary duct
 
      527.9 Unspecified disease of the salivary glands
 
  528 Diseases of the oral soft tissues, excluding lesions specific for gingiva
      and tongue
 
      528.0 Stomatitis
           Stomatitis:
           NOS
           ulcerative
           Vesicular stomatitis
 
           Excludes: stomatitis:
                    acute necrotizing ulcerative
(101)
                    aphthous (528.2)
                    gangrenous (528.1)
                    herpetic (054.2)
                    Vincent's (101)
 
      528.1 Cancrum oris
           Gangrenous stomatitis
           Noma
 
      528.2 Oral aphthae
           Aphthous stomatitis
           Canker sore
           Periadenitis mucosa necrotica recurrens
           Recurrent aphthous ulcer
           Stomatitis herpetiformis
 
          Excludes: herpetic stomatitis
(054.2)
 
      528.3 Cellulitis and abscess
          Cellulitis of mouth (floor)
           Ludwig's angina
           Oral fistula
 
          Excludes: abscess of tongue
(529.0)
                    cellulitis or abscess of lip (528.5)
                    fistula (of):
                    dental (522.7)
                    lip (528.5)
                    gingivitis (523.0-523.1)
 
      528.4 Cysts
           Dermoid cyst of mouth
           Epidermoid cyst of mouth
           Epstein's pearl of mouth
           Lymphoepithelial cyst of mouth
           Nasoalveolar cyst of mouth
           Nasolabial cyst of mouth
 
           Excludes: cyst:
                    gingiva
(523.8)
                    tongue (529.8)
 
      528.5 Diseases of lips
          Abscess of lip(s)
          Cellulitis of lip(s)
          Fistula of lip(s)
          Hypertrophy of lip(s)
           Cheilitis:
           NOS
           angular
           Cheilodynia
           Cheilosis
 
          Excludes: actinic cheilitis
(692.79)
                    congenital fistula of lip (750.25)
                    leukoplakia of lips (528.6)
 
      528.6 Leukoplakia of oral mucosa, including tongue
           Leukokeratosis of oral mucosa
           Leukoplakia of:
           gingiva
           lips
           tongue
 
          Excludes: carcinoma in situ
(230.0, 232.0)
                    leukokeratosis nicotina palati (528.79)
 
      528.7 Other disturbances of oral epithelium, including tongue
 
          Excludes: carcinoma in situ
(230.0, 232.0)
                    leukokeratosis NOS (702)
 
           528.71 Minimal keratinized residual ridge mucosa
 
           528.72 Excessive keratinized residual ridge mucosa
 
           528.79 Other disturbances of oral epithelium, including tongue
                 Erythroplakia of mouth or tongue
                 Focal epithelial hyperplasia of mouth or tongue
                 Leukoedema of mouth or tongue
                 Leukokeratosis nicotina palati
 
      528.8 Oral submucosal fibrosis, including of tongue
 
      528.9 Other and unspecified diseases of the oral soft tissues
           Cheek and lip biting
           Denture sore mouth
           Denture stomatitis
           Melanoplakia
           Papillary hyperplasia of palate
           Eosinophilic granuloma of oral mucosa
           Irritative hyperplasia of oral mucosa
           Pyogenic granuloma of oral mucosa
          Ulcer (traumatic) of oral mucosa
 
  529 Diseases and other conditions of the tongue
 
      529.0 Glossitis
           Abscess of tongue
          Ulceration (traumatic) of tongue
 
           Excludes: glossitis:
                    benign migratory
(529.1)
                    Hunter's (529.4)
                    median rhomboid (529.2)
                    Moeller's (529.4)
 
      529.1 Geographic tongue
           Benign migratory glossitis
           Glossitis areata exfoliativa
 
      529.2 Median rhomboid glossitis
 
      529.3 Hypertrophy of tongue papillae
           Black hairy tongue
           Coated tongue
           Hypertrophy of foliate papillae
           Lingua villosa nigra
 
      529.4 Atrophy of tongue papillae
           Bald tongue
           Glazed tongue
           Glossitis:
           Hunter's
           Moeller's
           Glossodynia exfoliativa
           Smooth atrophic tongue
 
      529.5 Plicated tongue
           Fissured tongue
           Furrowed tongue
           Scrotal tongue
 
          Excludes: fissure of tongue, congenital
(750.13)
 
      529.6 Glossodynia
           Glossopyrosis
           Painful tongue
 
          Excludes: glossodynia exfoliativa
(529.4)
 
      529.8 Other specified conditions of the tongue
          Atrophy (of) tongue
          Crenated (of) tongue
          Enlargement (of) tongue
          Hypertrophy (of) tongue
           Glossocele
           Glossoptosis
 
          Excludes: erythroplasia of tongue
(528.79)
                    leukoplakia of tongue (528.6)
                    macroglossia (congenital) (750.15)
                    microglossia (congenital) (750.16)
                    oral submucosal fibrosis (528.8)
 
      529.9 Unspecified condition of the tongue
 
    DISEASES OF ESOPHAGUS, STOMACH, AND DUODENUM
(530-537)
 
  530 Diseases of esophagus
 
          Excludes: esophageal varices
(456.0-456.2)
 
      530.0 Achalasia and cardiospasm
          Achalasia (of cardia)
           Aperistalsis of esophagus
           Megaesophagus
 
          Excludes: congenital cardiospasm
(750.7)
 
      530.1 Esophagitis
           Abscess of esophagus
           Esophagitis:
           NOS
           chemical
           peptic
           postoperative
           regurgitant
           Use additional E code to identify cause, if induced by chemical
 
          Excludes: tuberculous esophagitis
(017.8)
 
           530.10 Esophagitis, unspecified
 
           530.11 Reflux esophagitis
 
           530.12 Acute esophagitis
 
           530.19 Other esophagitis
 
      530.2 Ulcer of esophagus
           Ulcer of esophagus
           fungal
           peptic
           Ulcer of esophagus due to ingestion of:
           aspirin
           chemicals
           medicines
           Use additional E code to identify cause, if induced by chemical or drug
 
           530.20 Ulcer of esophagus without bleeding
                 Ulcer of esophagus NOS
 
           530.21 Ulcer of esophagus with bleeding
 
          Excludes: bleeding esophageal varices
(456.0, 456.20)
 
      530.3 Stricture and stenosis of esophagus
           Compression of esophagus
           Obstruction of esophagus
 
          Excludes: congenital stricture of esophagus
(750.3)
 
      530.4 Perforation of esophagus
           Rupture of esophagus
 
          Excludes: traumatic perforation of esophagus
(862.22, 862.32,
                     874.4-874.5)
 
      530.5 Dyskinesia of esophagus
           Corkscrew esophagus
           Curling esophagus
           Esophagospasm
           Spasm of esophagus
 
          Excludes: cardiospasm
(530.0)
 
      530.6 Diverticulum of esophagus, acquired
           Diverticulum, acquired:
           epiphrenic
           pharyngoesophageal
           pulsion
           subdiaphragmatic
           traction
          Zenker's (hypopharyngeal)
           Esophageal pouch, acquired
           Esophagocele, acquired
 
          Excludes: congenital diverticulum of esophagus
(750.4)
 
      530.7 Gastroesophageal laceration-hemorrhage syndrome
           Mallory-Weiss syndrome
 
      530.8 Other specified disorders of esophagus
 
           530.81 Esophageal reflux
                 Gastroesophageal reflux
 
          Excludes: reflux esophagitis
(530.11)
 
           530.82 Esophageal hemorrhage
 
          Excludes: hemorrhage due to esophageal varices
(456.0-456.2)
 
           530.83 Esophageal leukoplakia
 
           530.84 Tracheoesophageal fistula
 
          Excludes: congenital tracheoesophageal fistula
(750.3)
 
           530.85 Barrett's esophagus
 
           530.86 Infection of esophagostomy
 
     Use additional code to specify infection
 
           530.87 Mechanical complication of esophagostomy
                 Malfunction of esophagostomy
 
           530.89 Other
 
          Excludes: Paterson-Kelly syndrome
(280.8)
 
      530.9 Unspecified disorder of esophagus
 
  531 Gastric ulcer
 
          Includes: ulcer (peptic):
                     prepyloric
                     pylorus
                     stomach
                     Use additional E code to identify drug, if drug-induced
 
          Excludes: peptic ulcer NOS
(533.0-533.9)
 
 
     The following fifth-digit subclassification is for use with category 531:
 
     0 without mention of obstruction
 
     1 with obstruction
 
           531.0_ Acute with hemorrhage
 
           531.1_ Acute with perforation
 
           531.2_ Acute with hemorrhage and perforation
 
           531.3_ Acute without mention of hemorrhage or perforation
 
           531.4_ Chronic or unspecified with hemorrhage
 
           531.5_ Chronic or unspecified with perforation
 
           531.6_ Chronic or unspecified with hemorrhage and perforation
 
           531.7_ Chronic without mention of hemorrhage or perforation
 
           531.9_ Unspecified as acute or chronic, without mention of hemorrhage
                 or perforation
 
  532 Duodenal ulcer
 
          Includes: erosion (acute) of duodenum
                    ulcer (peptic):
                     duodenum
                     postpyloric
                     Use additional E code to identify drug, if drug-induced
 
          Excludes: peptic ulcer NOS
(533.0-533.9)
 
 
     The following fifth-digit subclassification is for use with category 532:
 
     0 without mention of obstruction
 
     1 with obstruction
 
           532.0_ Acute with hemorrhage
 
           532.1_ Acute with perforation
 
           532.2_ Acute with hemorrhage and perforation
 
           532.3_ Acute without mention of hemorrhage or perforation
 
           532.4_ Chronic or unspecified with hemorrhage
 
           532.5_ Chronic or unspecified with perforation
 
           532.6_ Chronic or unspecified with hemorrhage and perforation
 
           532.7_ Chronic without mention of hemorrhage or perforation
 
           532.9_ Unspecified as acute or chronic, without mention of hemorrhage
                 or perforation
 
  533 Peptic ulcer, site unspecified
 
           Includes: gastroduodenal ulcer NOS
                     peptic ulcer NOS
                     stress ulcer NOS
                     Use additional E code to identify drug, if drug-induced
 
           Excludes: peptic ulcer:
                    duodenal
(532.0-532.9)
                    gastric (531.0-531.9)
 
 
     The following fifth-digit subclassification is for use with category 533:
 
     0 without mention of obstruction
 
     1 with obstruction
 
           533.0_ Acute with hemorrhage
 
           533.1_ Acute with perforation
 
           533.2_ Acute with hemorrhage and perforation
 
           533.3_ Acute without mention of hemorrhage and perforation
 
           533.4_ Chronic or unspecified with hemorrhage
 
           533.5_ Chronic or unspecified with perforation
 
           533.6_ Chronic or unspecified with hemorrhage and perforation
 
           533.7_ Chronic without mention of hemorrhage or perforation
 
           533.9_ Unspecified as acute or chronic, without mention of hemorrhage
                 or perforation
 
  534 Gastrojejunal ulcer
 
          Includes: ulcer (peptic) or erosion:
                     anastomotic
                     gastrocolic
                     gastrointestinal
                     gastrojejunal
                     jejunal
                     marginal
                     stomal
 
          Excludes: primary ulcer of small intestine
(569.82)
 
 
     The following fifth-digit subclassification is for use with category 534:
 
     0 without mention of obstruction
 
     1 with obstruction
 
           534.0_ Acute with hemorrhage
 
           534.1_ Acute with perforation
 
           534.2_ Acute with hemorrhage and perforation
 
           534.3_ Acute without mention of hemorrhage or perforation
 
           534.4_ Chronic or unspecified with hemorrhage
 
           534.5_ Chronic or unspecified with perforation
 
           534.6_ Chronic or unspecified with hemorrhage and perforation
 
           534.7_ Chronic without mention of hemorrhage or perforation
 
           534.9_ Unspecified as acute or chronic, without mention of hemorrhage
                 or perforation
 
  535 Gastritis and duodenitis
 
 
     The following fifth-digit subclassification is for use with category 535:
 
     0 without mention of hemorrhage
 
     1 with hemorrhage
 
           535.0_ Acute gastritis
 
           535.1_ Atrophic gastritis
                 Gastritis:
                 atrophic-hyperplastic
                chronic (atrophic)
 
           535.2_ Gastric mucosal hypertrophy
                 Hypertrophic gastritis
 
           535.3_ Alcoholic gastritis
 
           535.4_ Other specified gastritis
                 Gastritis:
                 allergic
                 bile induced
                 irritant
                 superficial
                 toxic
 
           535.5_ Unspecified gastritis and gastroduodenitis
 
           535.6_ Duodenitis
 
  536 Disorders of function of stomach
 
           Excludes: functional disorders of stomach specified as psychogenic
                   
(306.4)
 
      536.0 Achlorhydria
 
      536.1 Acute dilatation of stomach
           Acute distention of stomach
 
      536.2 Persistent vomiting
           Habit vomiting
           Persistent vomiting [not of pregnancy]
           Uncontrollable vomiting
 
          Excludes: excessive vomiting in pregnancy
(643.0-643.9)
                    vomiting NOS (787.0)
 
      536.3 Gastroparesis
           Gastroparalysis
 
      536.4 Gastrostomy complications
 
           536.40 Gastrostomy complication, unspecified
 
           536.41 Infection of gastrostomy
 
     Use additional code to identify type of infection, such as:
     abscess or cellulitis of abdomen
(682.2)
     septicemia (038.0-038.9)
 
    Use additional code to identify organism (041.00-041.9)
 
           536.42 Mechanical complication of gastrostomy
 
           536.49 Other gastrostomy complications
 
      536.8 Dyspepsia and other specified disorders of function of stomach
           Achylia gastrica
           Hourglass contraction of stomach
           Hyperacidity
           Hyperchlorhydria
           Hypochlorhydria
           Indigestion
 
          Excludes: achlorhydria
(536.0)
                    heartburn (787.1)
 
      536.9 Unspecified functional disorder of stomach
           Functional gastrointestinal:
           disorder
           disturbance
           irritation
 
  537 Other disorders of stomach and duodenum
 
      537.0 Acquired hypertrophic pyloric stenosis
           Constriction of pylorus, acquired or adult
           Obstruction of pylorus, acquired or adult
           Stricture of pylorus, acquired or adult
 
          Excludes: congenital or infantile pyloric stenosis
(750.5)
 
      537.1 Gastric diverticulum
 
          Excludes: congenital diverticulum of stomach
(750.7)
 
      537.2 Chronic duodenal ileus
 
      537.3 Other obstruction of duodenum
           Cicatrix of duodenum
           Stenosis of duodenum
           Stricture of duodenum
           Volvulus of duodenum
 
          Excludes: congenital obstruction of duodenum
(751.1)
 
      537.4 Fistula of stomach or duodenum
           Gastrocolic fistula
           Gastrojejunocolic fistula
 
      537.5 Gastroptosis
 
      537.6 Hourglass stricture or stenosis of stomach
           Cascade stomach
 
          Excludes: congenital hourglass stomach
(750.7)
                    hourglass contraction of stomach (536.8)
 
      537.8 Other specified disorders of stomach and duodenum
 
           537.81 Pylorospasm
 
          Excludes: congenital pylorospasm
(750.5)
 
           537.82 Angiodysplasia of stomach and duodenum without mention of
                 hemorrhage
 
           537.83 Angiodysplasia of stomach and duodenum with hemorrhage
 
          537.84 Dieulafoy lesion (hemorrhagic) of stomach and duodenum
 
           537.89 Other
                 Gastric or duodenal:
                 prolapse
                 rupture
                 Intestinal metaplasia of gastric mucosa
                 Passive congestion of stomach
 
          Excludes: diverticula of duodenum
(562.00-562.01)
                    gastrointestinal hemorrhage (578.0-578.9)
 
      537.9 Unspecified disorder of stomach and duodenum
 
    APPENDICITIS
(540-543)
 
  540 Acute appendicitis
 
      540.0 With generalized peritonitis
          Appendicitis (acute) with: perforation, peritonitis (generalized),
           rupture:
           fulminating
           gangrenous
           obstructive
          Cecitis (acute) with: perforation, peritonitis (generalized), rupture
           Rupture of appendix
 
          Excludes: acute appendicitis with peritoneal abscess
(540.1)
 
      540.1 With peritoneal abscess
           Abscess of appendix
           With generalized peritonitis
 
      540.9 Without mention of peritonitis
           Acute:
           appendicitis without mention of perforation, peritonitis, or rupture:
           fulminating
           gangrenous
           inflamed
           obstructive
           cecitis without mention of perforation, peritonitis, or rupture
 
  541 Appendicitis, unqualified
 
  542 Other appendicitis
      Appendicitis:
      chronic
      recurrent
      relapsing
      subacute
 
          Excludes: hyperplasia (lymphoid) of appendix (543.0)
 
  543 Other diseases of appendix
 
     543.0 Hyperplasia of appendix (lymphoid)
 
      543.9 Other and unspecified diseases of appendix
           Appendicular or appendiceal:
           colic
           concretion
           fistula
           Diverticulum of appendix
           Fecalith of appendix
           Intussusception of appendix
           Mucocele of appendix
           Stercolith of appendix
 
    HERNIA OF ABDOMINAL CAVITY
(550-553)
 
           Includes: hernia:
                     acquired
                     congenital, except diaphragmatic or hiatal
 
  550 Inguinal hernia
 
           Includes: bubonocele
                    inguinal hernia (direct) (double) (indirect) (oblique)
                    (sliding)
                     scrotal hernia
 
 
     The following fifth-digit subclassification is for use with category 550:
 
    0 unilateral or unspecified (not specified as recurrent)
      Unilateral NOS
 
     1 unilateral or unspecified, recurrent
 
    2 bilateral (not specified as recurrent)
      Bilateral NOS
 
     3 bilateral, recurrent
 
           550.0_ Inguinal hernia, with gangrene
                Inguinal hernia with gangrene (and obstruction)
 
           550.1_ Inguinal hernia, with obstruction, without mention of gangrene
                 Inguinal hernia with mention of incarceration, irreducibility, or
                 strangulation
 
           550.9_ Inguinal hernia, without mention of obstruction or gangrene
                 Inguinal hernia NOS
 
  551 Other hernia of abdominal cavity, with gangrene
 
          Includes: that with gangrene (and obstruction)
 
      551.0 Femoral hernia with gangrene
 
          551.00 Unilateral or unspecified (not specified as recurrent)
                 Femoral hernia NOS with gangrene
 
           551.01 Unilateral or unspecified, recurrent
 
          551.02 Bilateral (not specified as recurrent)
 
           551.03 Bilateral, recurrent
 
      551.1 Umbilical hernia with gangrene
           Parumbilical hernia specified as gangrenous
 
      551.2 Ventral hernia with gangrene
 
           551.20 Ventral, unspecified, with gangrene
 
           551.21 Incisional, with gangrene
                 Hernia:
                 postoperative specified as gangrenous
                 recurrent, ventral specified as gangrenous
 
           551.29 Other
                 Epigastric hernia specified as gangrenous
 
      551.3 Diaphragmatic hernia with gangrene
           Hernia:
          hiatal (esophageal) (sliding) specified as gangrenous
           paraesophageal specified as gangrenous
           Thoracic stomach specified as gangrenous
 
          Excludes: congenital diaphragmatic hernia
(756.6)
 
      551.8 Hernia of other specified sites, with gangrene
           Any condition classifiable to 553.8 if specified as gangrenous
 
      551.9 Hernia of unspecified site, with gangrene
           Any condition classifiable to 553.9 if specified as gangrenous
 
  552 Other hernia of abdominal cavity, with obstruction, but without mention of
      gangrene
 
          Excludes: that with mention of gangrene
(551.0-551.9)
 
      552.0 Femoral hernia with obstruction
           Femoral hernia specified as incarcerated, irreducible, strangulated, or
           causing obstruction
 
          552.00 Unilateral or unspecified (not specified as recurrent)
 
           552.01 Unilateral or unspecified, recurrent
 
          552.02 Bilateral (not specified as recurrent)
 
           552.03 Bilateral, recurrent
 
      552.1 Umbilical hernia with obstruction
           Parumbilical hernia specified as incarcerated, irreducible,
           strangulated, or causing obstruction
 
      552.2 Ventral hernia with obstruction
           Ventral hernia specified as incarcerated, irreducible, strangulated, or
           causing obstruction
 
           552.20 Ventral, unspecified, with obstruction
 
           552.21 Incisional, with obstruction
                 Hernia:
                 postoperative specified as incarcerated, irreducible,
                 strangulated, or causing obstruction
                 recurrent, ventral specified as incarcerated, irreducible,
                 strangulated, or causing obstruction
 
           552.29 Other
                 Epigastric hernia specified as incarcerated, irreducible,
                 strangulated, or causing obstruction
 
      552.3 Diaphragmatic hernia with obstruction
           Hernia:
          hiatal (esophageal) (sliding) specified as incarcerated, irreducible,
           strangulated, or causing obstruction
           paraesophageal specified as incarcerated, irreducible, strangulated, or
           causing obstruction
           Thoracic stomach specified as incarcerated, irreducible, strangulated,
           or causing obstruction
 
          Excludes: congenital diaphragmatic hernia
(756.6)
 
      552.8 Hernia of other specified sites, with obstruction
           Any condition classifiable to 553.8 if specified as incarcerated,
           irreducible, strangulated, or causing obstruction
 
          Excludes: hernia due to adhesion with obstruction
(560.81)
 
      552.9 Hernia of unspecified site, with obstruction
           Any condition classifiable to 553.9 if specified as incarcerated,
           irreducible, strangulated, or causing obstruction
 
  553 Other hernia of abdominal cavity without mention of obstruction or gangrene
 
           Excludes: the listed conditions with mention of:
                    gangrene (and obstruction) (551.0-551.9)
                    obstruction
(552.0-552.9)
 
      553.0 Femoral hernia
 
          553.00 Unilateral or unspecified (not specified as recurrent)
                 Femoral hernia NOS
 
           553.01 Unilateral or unspecified, recurrent
 
          553.02 Bilateral (not specified as recurrent)
 
           553.03 Bilateral, recurrent
 
      553.1 Umbilical hernia
           Parumbilical hernia
 
      553.2 Ventral hernia
 
           553.20 Ventral, unspecified
 
           553.21 Incisional
                 Hernia:
                 postoperative
                 recurrent, ventral
 
           553.29 Other
                 Hernia:
                 epigastric
                 spigelian
 
      553.3 Diaphragmatic hernia
           Hernia:
          hiatal (esophageal) (sliding)
           paraesophageal
           Thoracic stomach
 
           Excludes: congenital:
                    diaphragmatic hernia
(756.6)
                    hiatal hernia (750.6)
                    esophagocele (530.6)
 
      553.8 Hernia of other specified sites
           Hernia:
           ischiatic
           ischiorectal
           lumbar
           obturator
           pudendal
           retroperitoneal
           sciatic
           Other abdominal hernia of specified site
 
          Excludes: vaginal enterocele
(618.6)
 
      553.9 Hernia of unspecified site
           Enterocele
           Epiplocele
           Hernia:
           NOS
           interstitial
           intestinal
           intra-abdominal
          Rupture (nontraumatic)
           Sarcoepiplocele
 
    NONINFECTIOUS ENTERITIS AND COLITIS
(555-558)
 
  555 Regional enteritis
 
           Includes: Crohn's disease
                     Granulomatous enteritis
 
          Excludes: ulcerative colitis
(556)
 
      555.0 Small intestine
           Ileitis:
           regional
           segmental
           terminal
           Regional enteritis or Crohn's disease of:
           duodenum
           ileum
           jejunum
 
      555.1 Large intestine
           Colitis:
           granulomatous
           regional
           transmural
           Regional enteritis or Crohn's disease of:
           colon
           large bowel
           rectum
 
      555.2 Small intestine with large intestine
           Regional ileocolitis
 
      555.9 Unspecified site
           Crohn's disease NOS
           Regional enteritis NOS
 
  556 Ulcerative colitis
 
     556.0 Ulcerative (chronic) enterocolitis
 
     556.1 Ulcerative (chronic) ileocolitis
 
     556.2 Ulcerative (chronic) proctitis
 
     556.3 Ulcerative (chronic) proctosigmoiditis
 
      556.4 Pseudopolyposis of colon
 
     556.5 Left-sided ulcerative (chronic) colitis
 
     556.6 Universal ulcerative (chronic) colitis
           Pancolitis
 
      556.8 Other ulcerative colitis
 
      556.9 Ulcerative colitis, unspecified
           Ulcerative enteritis NOS
 
  557 Vascular insufficiency of intestine
 
          Excludes: necrotizing enterocolitis of the newborn
(777.5)
 
      557.0 Acute vascular insufficiency of intestine
           Acute:
           hemorrhagic enterocolitis
           ischemic colitis, enteritis, or enterocolitis
           massive necrosis of intestine
           Bowel infarction
           Embolism of mesenteric artery
           Fulminant enterocolitis
           Hemorrhagic necrosis of intestine
           Infarction of appendices epiploicae
           Intestinal gangrene
          Intestinal infarction (acute) (agnogenic) (hemorrhagic) (nonocclusive)
          Mesenteric infarction (embolic) (thrombotic)
           Necrosis of intestine
           Terminal hemorrhagic enteropathy
           Thrombosis of mesenteric artery
 
      557.1 Chronic vascular insufficiency of intestine
           Angina, abdominal
           Chronic ischemic colitis, enteritis, or enterocolitis
           Ischemic stricture of intestine
           Mesenteric:
           angina
          artery syndrome (superior)
           vascular insufficiency
 
      557.9 Unspecified vascular insufficiency of intestine
           Alimentary pain due to vascular insufficiency
           Ischemic colitis, enteritis, or enterocolitis NOS
 
  558 Other and unspecified noninfectious gastroenteritis and colitis
 
           Excludes: infectious:
                    colitis, enteritis, or gastroenteritis
(009.0-009.1)
                    diarrhea (009.2-009.3)
 
      558.1 Gastroenteritis and colitis due to radiation
           Radiation enterocolitis
 
      558.2 Toxic gastroenteritis and colitis
           Use additional E code to identify cause
 
      558.3 Allergic gastroenteritis and colitis
 
    Use additional code to identify type of food allergy
(V15.01-V15.05)
 
      558.9 Other and unspecified noninfectious gastroenteritis and colitis
           Colitis, NOS, dietetic, or noninfectious
           Enteritis, NOS, dietetic, or noninfectious
           Gastroenteritis, NOS, dietetic, or noninfectious
           Ileitis, NOS, dietetic or noninfectious
           Jejunitis, NOS, dietetic, or noninfectious
           Sigmoiditis, NOS, dietetic, or noninfectious
 
    OTHER DISEASES OF INTESTINES AND PERITONEUM
(560-569)
 
  560 Intestinal obstruction without mention of hernia
 
          Excludes: duodenum
(537.2-537.3)
                    inguinal hernia with obstruction (550.1)
                    intestinal obstruction complicating hernia (552.0-552.9)
                     mesenteric:
                    embolism (557.0)
                    infarction (557.0)
                    thrombosis (557.0)
                    neonatal intestinal obstruction (277.01, 777.1-777.2, 777.4)
 
      560.0 Intussusception
          Intussusception (colon) (intestine) (rectum)
           Invagination of intestine or colon
 
          Excludes: intussusception of appendix
(543.9)
 
      560.1 Paralytic ileus
           Adynamic ileus
          Ileus (of intestine) (of bowel) (of colon)
           Paralysis of intestine or colon
 
          Excludes: gallstone ileus
(560.31)
 
      560.2 Volvulus
           Knotting of intestine, bowel, or colon
           Strangulation of intestine, bowel, or colon
           Torsion of intestine, bowel, or colon
           Twist of intestine, bowel, or colon
 
      560.3 Impaction of intestine
 
           560.30 Impaction of intestine, unspecified
                 Impaction of colon
 
           560.31 Gallstone ileus
                 Obstruction of intestine by gallstone
 
           560.39 Other
                 Concretion of intestine
                 Enterolith
                 Fecal impaction
 
      560.8 Other specified intestinal obstruction
 
           560.81 Intestinal or peritoneal adhesions with obstruction
                (postoperative) (postinfection)
 
          Excludes: adhesions without obstruction
(568.0)
 
           560.89 Other
                 Acute pseudo-obstruction of intestine
                 Mural thickening causing obstruction
 
          Excludes: ischemic stricture of intestine
(557.1)
 
      560.9 Unspecified intestinal obstruction
           Enterostenosis
           Obstruction of intestine or colon
           Occlusion of intestine or colon
           Stenosis of intestine or colon
           Stricture of intestine or colon
 
          Excludes: congenital stricture or stenosis of intestine
(751.1-751.2)
 
  562 Diverticula of intestine
 
     Use additional code to identify any associated:
     peritonitis
(567.0-567.9)
 
          Excludes: congenital diverticulum of colon (751.5)
                    diverticulum of appendix (543.9)
                    Meckel's diverticulum (751.0)
 
      562.0 Small intestine
 
          562.00 Diverticulosis of small intestine (without mention of hemorrhage)
                 Diverticulosis:
                 duodenum without mention of diverticulitis
                 ileum without mention of diverticulitis
                 jejunum without mention of diverticulitis
 
          562.01 Diverticulitis of small intestine (without mention of hemorrhage)
                Diverticulitis (with diverticulosis):
                 duodenum
                 ileum
                 jejunum
                 small intestine
 
           562.02 Diverticulosis of small intestine with hemorrhage
 
           562.03 Diverticulitis of small intestine with hemorrhage
 
      562.1 Colon
 
          562.10 Diverticulosis of colon (without mention of hemorrhage)
                 Diverticulosis without mention of diverticulitis:
                 NOS
                intestine (large) without mention of diverticulitis
                Diverticular disease (colon) without mention of diverticulitis
 
           562.11 Diverticulitis of colon without mention of hemorrhage
                Diverticulitis (with diverticulosis):
                 NOS
                 colon
                intestine (large)
 
           562.12 Diverticulosis of colon with hemorrhage
 
           562.13 Diverticulitis of colon with hemorrhage
 
  564 Functional digestive disorders, not elsewhere classified
 
          Excludes: functional disorders of stomach
(536.0-536.9)
                    those specified as psychogenic (306.4)
 
      564.0 Constipation
 
          Excludes: psychogenic constipation
(306.4)
 
           564.00 Constipation, unspecified
 
           564.01 Slow transit constipation
 
           564.02 Outlet dysfunction constipation
 
           564.09 Other constipation
 
      564.1 Irritable bowel syndrome
           Irritable colon
           Spastic colon
 
      564.2 Postgastric surgery syndromes
           Dumping syndrome
           Jejunal syndrome
           Postgastrectomy syndrome
           Postvagotomy syndrome
 
          Excludes: malnutrition following gastrointestinal surgery
(579.3)
                    postgastrojejunostomy ulcer (534.0-534.9)
 
      564.3 Vomiting following gastrointestinal surgery
          Vomiting (bilious) following gastrointestinal surgery
 
      564.4 Other postoperative functional disorders
           Diarrhea following gastrointestinal surgery
 
          Excludes: colostomy and enterostomy complications
(569.60-569.69)
 
      564.5 Functional diarrhea
 
           Excludes: diarrhea:
                    NOS
(787.91)
                    psychogenic (306.4)
 
      564.6 Anal spasm
           Proctalgia fugax
 
      564.7 Megacolon, other than Hirschsprung's
           Dilatation of colon
 
           Excludes: megacolon:
                    congenital [Hirschsprung's]
(751.3)
                    toxic (556)
 
      564.8 Other specified functional disorders of intestine
 
          Excludes: malabsorption
(579.0-579.9)
 
           564.81 Neurogenic bowel
 
           564.89 Other functional disorders of intestine
                 Atony of colon
 
      564.9 Unspecified functional disorder of intestine
 
  565 Anal fissure and fistula
 
      565.0 Anal fissure
           Tear of anus, nontraumatic
 
          Excludes: traumatic
(863.89, 863.99)
 
      565.1 Anal fistula
           Fistula:
           anorectal
           rectal
           rectum to skin
 
           Excludes: fistula of rectum to internal organs­see Alphabetic Index
                    ischiorectal fistula
(566)
                    rectovaginal fistula (619.1)
 
  566 Abscess of anal and rectal regions
      Abscess:
      ischiorectal
      perianal
      perirectal
      Cellulitis:
      anal
      perirectal
      rectal
      Ischiorectal fistula
 
  567 Peritonitis and retroperitoneal infections
 
           Excludes: peritonitis:
                    benign paroxysmal
(277.3)
                    pelvic, female (614.5, 614.7)
                    periodic familial (277.3)
                    puerperal (670)
                     with or following:
                    abortion (634-638 with .0, 639.0)
                    appendicitis (540.0-540.1)
                    ectopic or molar pregnancy (639.0)
 
      567.0 Peritonitis in infectious diseases classified elsewhere
 
           Excludes: peritonitis:
                    gonococcal
(098.86)
                    syphilitic (095.2)
                    tuberculous (014.0)
 
      567.1 Pneumococcal peritonitis
 
      567.2 Other suppurative peritonitis
 
          567.21 Peritonitis (acute) generalized
                 Pelvic peritonitis, male
 
           567.22 Peritoneal abscess
                Abscess (of):
                 abdominopelvic
                 mesenteric
                 omentum
                 peritoneum
                 retrocecal
                 subdiaphragmatic
                 subhepatic
                 subphrenic
 
           567.23 Spontaneous bacterial peritonitis
 
           567.29 Other suppurative peritonitis
                 Subphrenic peritonitis
 
      567.3 Retroperitoneal infections
 
           567.31 Psoas muscle abscess
 
           567.38 Other retroperitoneal abscess
 
           567.39 Other retroperitoneal infections
 
      567.8 Other specified peritonitis
 
           567.81 Choleperitonitis
                 Peritonitis due to bile
 
           567.82 Sclerosing mesenteritis
                 Fat necrosis of peritoneum
                (Idiopathic) sclerosing mesenteric fibrosis
                 Mesenteric lipodystrophy
                 Mesenteric panniculitis
                 Retractile mesenteritis
 
           567.89 Other specified peritonitis
                 Chronic proliferative peritonitis
                 Mesenteric saponification
                 Peritonitis due to urine
 
      567.9 Unspecified peritonitis
           Peritonitis:
           NOS
           of unspecified cause
 
  568 Other disorders of peritoneum
 
     568.0 Peritoneal adhesions (postoperative) (postinfection)
          Adhesions (of):
          abdominal (wall)
           diaphragm
           intestine
           male pelvis
           mesenteric
           omentum
           stomach
           Adhesive bands
 
           Excludes: adhesions:
                    pelvic, female
(614.6)
                     with obstruction:
                    duodenum (537.3)
                    intestine (560.81)
 
      568.8 Other specified disorders of peritoneum
 
          568.81 Hemoperitoneum (nontraumatic)
 
          568.82 Peritoneal effusion (chronic)
 
          Excludes: ascites NOS
(789.5)
 
           568.89 Other
                 Peritoneal:
                 cyst
                 granuloma
 
      568.9 Unspecified disorder of peritoneum
 
  569 Other disorders of intestine
 
      569.0 Anal and rectal polyp
           Anal and rectal polyp NOS
 
          Excludes: adenomatous anal and rectal polyp
(211.4)
 
      569.1 Rectal prolapse
           Procidentia:
          anus (sphincter)
          rectum (sphincter)
           Proctoptosis
           Prolapse:
           anal canal
           rectal mucosa
 
          Excludes: prolapsed hemorrhoids
(455.2, 455.5)
 
      569.2 Stenosis of rectum and anus
          Stricture of anus (sphincter)
 
      569.3 Hemorrhage of rectum and anus
 
          Excludes: gastrointestinal bleeding NOS
(578.9)
                    melena (578.1)
 
      569.4 Other specified disorders of rectum and anus
 
           569.41 Ulcer of anus and rectum
                Solitary ulcer of anus (sphincter) or rectum (sphincter)
                Stercoral ulcer of anus (sphincter) or rectum (sphincter)
 
           569.42 Anal or rectal pain
 
           569.49 Other
                Granuloma of rectum (sphincter)
                Rupture of rectum (sphincter)
                 Hypertrophy of anal papillae
                 Proctitis NOS
 
           Excludes: fistula of rectum to:
                     internal organs see­Alphabetic Index
                    skin
(565.1)
                    hemorrhoids (455.0-455.9)
                    incontinence of sphincter ani (787.6)
 
      569.5 Abscess of intestine
 
          Excludes: appendiceal abscess
(540.1)
 
      569.6 Colostomy and enterostomy complications
 
           569.60 Colostomy and enterostomy complication, unspecified
 
           569.61 Infection of colostomy and enterostomy
 
     Use additional code to specify type of infection, such as:
     abscess or cellulits of abdomen
(682.2)
     septicemia (038.0-038.9)
 
    Use additional code to identify organism (041.00-041.9)
 
           569.62 Mechanical complication of colostomy and enterostomy
                 Malfunction of colostomy and enterostomy
 
           569.69 Other complication
                 Fistula
                 Hernia
                 Prolapse
 
      569.8 Other specified disorders of intestine
 
           569.81 Fistula of intestine, excluding rectum and anus
                 Fistula:
                 abdominal wall
                 enterocolic
                 enteroenteric
                 ileorectal
 
           Excludes: fistula of intestine to internal organs­see Alphabetic Index
                    persistent postoperative fistula (998.6)
 
           569.82 Ulceration of intestine
                 Primary ulcer of intestine
                 Ulceration of colon
 
          Excludes: that with perforation
(569.83)
 
           569.83 Perforation of intestine
 
          569.84 Angiodysplasia of intestine (without mention of hemorrhage)
 
           569.85 Angiodysplasia of intestine with hemorrhage
 
          569.86 Dieulafoy lesion (hemorrhagic) of intestine
 
           569.89 Other
                 Enteroptosis
                 Granuloma of intestine
                 Prolapse of intestine
                 Pericolitis
                 Perisigmoiditis
                 Visceroptosis
 
          Excludes: gangrene of intestine, mesentery, or omentum
(557.0)
                    hemorrhage of intestine NOS (578.9)
                    obstruction of intestine (560.0-560.9)
 
      569.9 Unspecified disorder of intestine
 
    OTHER DISEASES OF DIGESTIVE SYSTEM
(570-579)
 
  570 Acute and subacute necrosis of liver
      Acute hepatic failure
      Acute or subacute hepatitis, not specified as infective
     Necrosis of liver (acute) (diffuse) (massive) (subacute)
      Parenchymatous degeneration of liver
     Yellow atrophy (liver) (acute) (subacute)
 
          Excludes: icterus gravis of newborn
(773.0-773.2)
                    serum hepatitis (070.2-070.3)
                     that with:
                    abortion (634-638 with .7, 639.8)
                    ectopic or molar pregnancy (639.8)
                    pregnancy, childbirth, or the puerperium (646.7)
                    viral hepatitis (070.0-070.9)
 
  571 Chronic liver disease and cirrhosis
 
      571.0 Alcoholic fatty liver
 
      571.1 Acute alcoholic hepatitis
           Acute alcoholic liver disease
 
      571.2 Alcoholic cirrhosis of liver
           Florid cirrhosis
          Laennec's cirrhosis (alcoholic)
 
      571.3 Alcoholic liver damage, unspecified
 
      571.4 Chronic hepatitis
 
          Excludes: viral hepatitis (acute) (chronic) (070.0-070.9)
 
           571.40 Chronic hepatitis, unspecified
 
           571.41 Chronic persistent hepatitis
 
           571.49 Other
                 Chronic hepatitis:
                 active
                 aggressive
                 Recurrent hepatitis
 
      571.5 Cirrhosis of liver without mention of alcohol
           Cirrhosis of liver:
           NOS
           cryptogenic
           macronodular
           micronodular
           posthepatitic
           postnecrotic
          Healed yellow atrophy (liver)
           Portal cirrhosis
 
      571.6 Biliary cirrhosis
           Chronic nonsuppurative destructive cholangitis
           Cirrhosis:
           cholangitic
           cholestatic
 
      571.8 Other chronic nonalcoholic liver disease
          Chronic yellow atrophy (liver)
           Fatty liver, without mention of alcohol
 
      571.9 Unspecified chronic liver disease without mention of alcohol
 
  572 Liver abscess and sequelae of chronic liver disease
 
      572.0 Abscess of liver
 
          Excludes: amebic liver abscess
(006.3)
 
      572.1 Portal pyemia
           Phlebitis of portal vein
           Portal thrombophlebitis
           Pylephlebitis
           Pylethrombophlebitis
 
      572.2 Hepatic coma
           Hepatic encephalopathy
           Hepatocerebral intoxication
           Portal-systemic encephalopathy
 
      572.3 Portal hypertension
 
      572.4 Hepatorenal syndrome
 
          Excludes: that following delivery
(674.8)
 
      572.8 Other sequelae of chronic liver disease
 
  573 Other disorders of liver
 
          Excludes: amyloid or lardaceous degeneration of liver
(277.3)
                    congenital cystic disease of liver (751.62)
                    glycogen infiltration of liver (271.0)
                    hepatomegaly NOS (789.1)
                    portal vein obstruction (452)
 
      573.0 Chronic passive congestion of liver
 
      573.1 Hepatitis in viral diseases classified elsewhere
          Coxsackie virus disease
(074.8)
          cytomegalic inclusion virus disease (078.5)
          infectious mononucleosis (075)
 
          Excludes: hepatitis (in):
                    mumps (072.71)
                    viral (070.0-070.9)
                    yellow fever (060.0-060.9)
 
      573.2 Hepatitis in other infectious diseases classified elsewhere
          malaria
(084.9)
 
           Excludes: hepatitis in:
                    late syphilis (095.3)
                    secondary syphilis (091.62)
                    toxoplasmosis (130.5)
 
      573.3 Hepatitis, unspecified
          Toxic (noninfectious) hepatitis
           Use additional E code to identify cause
 
      573.4 Hepatic infarction
 
      573.8 Other specified disorders of liver
           Hepatoptosis
 
      573.9 Unspecified disorder of liver
 
  574 Cholelithiasis
 
 
     The following fifth-digit subclassification is for use with category 574:
 
     0 without mention of obstruction
 
     1 with obstruction
 
           574.0_ Calculus of gallbladder with acute cholecystitis
                 Biliary calculus with acute cholecystitis
                 Calculus of cystic duct with acute cholecystitis
                 Cholelithiasis with acute cholecystitis
                 Any condition classifiable to 574.2 with acute cholecystitis
 
           574.1_ Calculus of gallbladder with other cholecystitis
                 Biliary calculus with cholecystitis
                 Calculus of cystic duct with cholecystitis
                 Cholelithiasis with cholecystitis
                 Cholecystitis with cholelithiasis NOS
                Any condition classifiable to 574.2 with cholecystitis (chronic)
 
           574.2_ Calculus of gallbladder without mention of cholecystitis
                 Biliary:
                 calculus NOS
                 colic NOS
                 Calculus of cystic duct
                 Cholelithiasis NOS
                Colic (recurrent) of gallbladder
                Gallstone (impacted)
 
           574.3_ Calculus of bile duct with acute cholecystitis
                 Calculus of bile duct [any] with acute cholecystitis
                 Choledocholithiasis with acute cholecystitis
                 Any condition classifiable to 574.5 with acute cholecystitis
 
           574.4_ Calculus of bile duct with other cholecystitis
                Calculus of bile duct [any] with cholecystitis (chronic)
                Choledocholithiasis with cholecystitis (chronic)
                Any condition classifiable to 574.5 with cholecystitis (chronic)
 
           574.5_ Calculus of bile duct without mention of cholecystitis
                 Calculus of:
                 bile duct [any]
                 common duct
                 hepatic duct
                 Choledocholithiasis
                 Hepatic:
                colic (recurrent)
                 lithiasis
 
           574.6_ Calculus of gallbladder and bile duct with acute cholecystitis
                 Any condition classifiable to 574.0 and 574.3
 
           574.7_ Calculus of gallbladder and bile duct with other cholecystitis
                 Any condition classifiable to 574.1 and 574.4
 
           574.8_ Calculus of gallbladder and bile duct with acute and chronic
                 cholecystitis
                 Any condition classifiable to 574.6 and 574.7
 
           574.9_ Calculus of gallbladder and bile duct without cholecystitis
                 Any condition classifiable to 574.2 and 574.5
 
  575 Other disorders of gallbladder
 
      575.0 Acute cholecystitis
           Abscess of gallbladder without mention of calculus
           Angiocholecystitis without mention of calculus
           Cholecystitis without mention of calculus:
          emphysematous (acute)
           gangrenous
           suppurative
           Empyema of gallbladder without mention of calculus
           Gangrene of gallbladder without mention of calculus
 
           Excludes: that with:
                    acute and chronic cholecystitis
(575.12)
                    choledocholithiasis (574.3)
                    choledocholithiasis and cholelithiasis (574.6)
                    cholelithiasis (574.0)
 
      575.1 Other cholecystitis
           Cholecystitis without mention of calculus:
           NOS without mention of calculus
           chronic without mention of calculus
 
           Excludes: that with:
                    choledocholithiasis
(574.4)
                    choledocholithiasis and cholelithiasis (574.8)
                    cholelithiasis (574.1)
 
           575.10 Cholecystitis, unspecified
                 Cholecystitis NOS
 
           575.11 Chronic cholecystitis
 
           575.12 Acute and chronic cholecystitis
 
      575.2 Obstruction of gallbladder
           Occlusion of cystic duct or gallbladder without mention of calculus
           Stenosis of cystic duct or gallbladder without mention of calculus
           Stricture of cystic duct or gallbladder without mention of calculus
 
      575.3 Hydrops of gallbladder
           Mucocele of gallbladder
 
      575.4 Perforation of gallbladder
           Rupture of cystic duct or gallbladder
 
      575.5 Fistula of gallbladder
           Fistula:
           cholecystoduodenal
           cholecystoenteric
 
      575.6 Cholesterolosis of gallbladder
           Strawberry gallbladder
 
      575.8 Other specified disorders of gallbladder
          Adhesions (of) cystic duct gallbladder
          Atrophy (of) cystic duct gallbladder
          Cyst (of) cystic duct gallbladder
          Hypertrophy (of) cystic duct gallbladder
          Nonfunctioning (of) cystic duct gallbladder
          Ulcer (of) cystic duct gallbladder
           Biliary dyskinesia
 
          Excludes: Hartmann's pouch of intestine
(V44.3)
                    nonvisualization of gallbladder (793.3)
 
      575.9 Unspecified disorder of gallbladder
 
  576 Other disorders of biliary tract
 
           Excludes: that involving the:
                    cystic duct
(575.0-575.9)
                    gallbladder (575.0-575.9)
 
      576.0 Postcholecystectomy syndrome
 
      576.1 Cholangitis
           Cholangitis:
           NOS
           acute
           ascending
           chronic
           primary
           recurrent
           sclerosing
           secondary
           stenosing
           suppurative
 
      576.2 Obstruction of bile duct
           Occlusion of bile duct, except cystic duct, without mention of calculus
           Stenosis of bile duct, except cystic duct, without mention of calculus
           Stricture of bile duct, except cystic duct, without mention of calculus
 
          Excludes: congenital
(751.61)
 
    that with calculus (574.3-574.5 with fifth-digit 1)
 
      576.3 Perforation of bile duct
           Rupture of bile duct, except cystic duct
 
      576.4 Fistula of bile duct
           Choledochoduodenal fistula
 
      576.5 Spasm of sphincter of Oddi
 
      576.8 Other specified disorders of biliary tract
           Adhesions of bile duct [any]
           Atrophy of bile duct [any]
           Cyst of bile duct [any]
           Hypertrophy of bile duct [any]
           Stasis of bile duct [any]
           Ulcer of bile duct [any]
 
          Excludes: congenital choledochal cyst
(751.69)
 
      576.9 Unspecified disorder of biliary tract
 
  577 Diseases of pancreas
 
      577.0 Acute pancreatitis
           Abscess of pancreas
           Necrosis of pancreas:
           acute
           infective
           Pancreatitis:
           NOS
          acute (recurrent)
           apoplectic
           hemorrhagic
           subacute
           suppurative
 
          Excludes: mumps pancreatitis
(072.3)
 
      577.1 Chronic pancreatitis
           Chronic pancreatitis:
           NOS
           infectious
           interstitial
           Pancreatitis:
           painless
           recurrent
           relapsing
 
      577.2 Cyst and pseudocyst of pancreas
 
      577.8 Other specified diseases of pancreas
           Atrophy of pancreas
           Calculus of pancreas
           Cirrhosis of pancreas
           Fibrosis of pancreas
           Pancreatic:
           infantilism
           necrosis:
           NOS
           aseptic
           fat
           Pancreatolithiasis
 
          Excludes: fibrocystic disease of pancreas
(277.00-277.09)
                    islet cell tumor of pancreas (211.7)
                    pancreatic steatorrhea (579.4)
 
      577.9 Unspecified disease of pancreas
 
  578 Gastrointestinal hemorrhage
 
           Excludes: that with mention of:
                    angiodysplasia of stomach and duodenum
(537.83)
                    angiodysplasia of intestine (569.85)
                     diverticulitis, intestine:
                    large (562.13)
                    small (562.03)
                     diverticulosis, intestine:
                    large (562.12)
                    small (562.02)
                    gastritis and duodenitis (535.0-535.6)
                     ulcer:
                    duodenal, gastric, gastrojejunal, or peptic (531.00-534.91)
 
      578.0 Hematemesis
           Vomiting of blood
 
      578.1 Blood in stool
           Melena
 
          Excludes: melena of the newborn
(772.4, 777.3)
                    occult blood (792.1)
 
      578.9 Hemorrhage of gastrointestinal tract, unspecified
           Gastric hemorrhage
           Intestinal hemorrhage
 
  579 Intestinal malabsorption
 
      579.0 Celiac disease
           Celiac:
           crisis
           infantilism
           rickets
          Gee (-Herter) disease
           Gluten enteropathy
           Idiopathic steatorrhea
           Nontropical sprue
 
      579.1 Tropical sprue
           Sprue:
           NOS
           tropical
           Tropical steatorrhea
 
      579.2 Blind loop syndrome
           Postoperative blind loop syndrome
 
      579.3 Other and unspecified postsurgical nonabsorption
           Hypoglycemia following gastrointestinal surgery
           Malnutrition following gastrointestinal surgery
 
      579.4 Pancreatic steatorrhea
 
      579.8 Other specified intestinal malabsorption
           Enteropathy:
           exudative
           protein-losing
          Steatorrhea (chronic)
 
      579.9 Unspecified intestinal malabsorption
           Malabsorption syndrome NOS