International Statistical Classification of Diseases and Related Health Problems 10th Revision (ICD-10)-WHO Version for ;2019-covid-expanded

Chapter XI
Diseases of the digestive system
(K00-K93)

Diseases of oral cavity, salivary glands and jaws
(K00-K14)

K00 Disorders of tooth development and eruption

Excl.:
embedded and impacted teeth (K01.-)
K00.0 Anodontia
Incl.:
Hypodontia
Oligodontia
K00.1 Supernumerary teeth
Incl.:
Distomolar
Fourth molar
Mesiodens
Paramolar
Supplementary teeth
K00.2 Abnormalities of size and form of teeth
Incl.:
  • Concrescence
  • Fusion
  • Gemination
  • of teeth
Dens:
  • evaginatus
  • in dente
  • invaginatus
Enamel pearls
Macrodontia
Microdontia
Peg-shaped [conical] teeth
Taurodontism
Tuberculum paramolare
Excl.:
tuberculum Carabelli, which is regarded as a normal variation and should not be coded
K00.3 Mottled teeth
Incl.:
Dental fluorosis
Mottling of enamel
Nonfluoride enamel opacities
Excl.:
deposits [accretions] on teeth (K03.6)
K00.4 Disturbances in tooth formation
Incl.:
Aplasia and hypoplasia of cementum
Dilaceration of tooth
Enamel hypoplasia (neonatal)(postnatal)(prenatal)
Regional odontodysplasia
Turner tooth
Excl.:
Hutchinson teeth and mulberry molars in congenital syphilis (A50.5)
mottled teeth (K00.3)
K00.5 Hereditary disturbances in tooth structure, not elsewhere classified
Incl.:
  • Amelogenesis
  • Dentinogenesis
  • Odontogenesis
  • imperfecta
Dentinal dysplasia
Shell teeth
K00.6 Disturbances in tooth eruption
Incl.:
Dentia praecox
  • Natal
  • Neonatal
  • tooth
Premature:
  • eruption of tooth
  • shedding of primary [deciduous] tooth
Retained [persistent] primary tooth
K00.7 Teething syndrome
K00.8 Other disorders of tooth development
Incl.:
Colour changes during tooth formation
Intrinsic staining of teeth NOS
K00.9 Disorder of tooth development, unspecified
Incl.:
Disorder of odontogenesis NOS

K01 Embedded and impacted teeth

Excl.:
embedded and impacted teeth with abnormal position of such teeth or adjacent teeth (K07.3)
K01.0 Embedded teeth
Additional Text

An embedded tooth is a tooth that has failed to erupt without obstruction by another tooth.

K01.1 Impacted teeth
Additional Text

An impacted tooth is a tooth that has failed to erupt because of obstruction by another tooth.

K02 Dental caries

K02.0 Caries limited to enamel
Incl.:
White spot lesions [initial caries]
K02.1 Caries of dentine
K02.2 Caries of cementum
K02.3 Arrested dental caries
K02.4 Odontoclasia
Incl.:
Infantile melanodontia
Melanodontoclasia
K02.5 Caries with pulp exposure
K02.8 Other dental caries
K02.9 Dental caries, unspecified

K03 Other diseases of hard tissues of teeth

Excl.:
bruxism (F45.8)
dental caries (K02.-)
teeth-grinding NOS (F45.8)
K03.0 Excessive attrition of teeth
Incl.:
  • Wear:
    • approximal
    • occlusal
  • of teeth
K03.1 Abrasion of teeth
Incl.:
  • Abrasion:
    • dentifrice
    • habitual
    • occupational
    • ritual
    • traditional
  • Wedge defect NOS
  • of teeth
K03.2 Erosion of teeth
Incl.:
Erosion of teeth:
  • NOS
  • due to:
    • diet
    • drugs and medicaments
    • persistent vomiting
  • idiopathic
  • occupational
K03.3 Pathological resorption of teeth
Incl.:
Internal granuloma of pulp
Resorption of teeth (external)
K03.4 Hypercementosis
Incl.:
Cementation hyperplasia
K03.5 Ankylosis of teeth
K03.6 Deposits [accretions] on teeth
Incl.:
Dental calculus:
  • subgingival
  • supragingival
Deposits [accretions] on teeth:
  • betel
  • black
  • green
  • materia alba
  • orange
  • tobacco
Staining of teeth:
  • NOS
  • extrinsic NOS
K03.7 Posteruptive colour changes of dental hard tissues
Excl.:
deposits [accretions] on teeth (K03.6)
K03.8 Other specified diseases of hard tissues of teeth
Incl.:
Irradiated enamel
Sensitive dentine
Coding-Hint
Use additional external cause code (Chapter XX), if desired, to identify radiation, if radiation-induced.
K03.9 Disease of hard tissues of teeth, unspecified

K04 Diseases of pulp and periapical tissues

K04.0 Pulpitis
Incl.:
Pulpitis:
  • NOS
  • acute
  • chronic (hyperplastic)(ulcerative)
  • irreversible
  • reversible
K04.1 Necrosis of pulp
Incl.:
Pulpal gangrene
K04.2 Pulp degeneration
Incl.:
Denticles
Pulpal:
  • calcifications
  • stones
K04.3 Abnormal hard tissue formation in pulp
Incl.:
Secondary or irregular dentine
K04.4 Acute apical periodontitis of pulpal origin
Incl.:
Acute apical periodontitis NOS
K04.5 Chronic apical periodontitis
Incl.:
Apical or periapical granuloma
Apical periodontitis NOS
K04.6 Periapical abscess with sinus
Incl.:
  • Dental
  • Dentoalveolar
  • abscess with sinus
K04.7 Periapical abscess without sinus
Incl.:
  • Dental
  • Dentoalveolar
  • Periapical
  • abscess NOS
K04.8 Radicular cyst
Incl.:
Cyst:
  • apical (periodontal)
  • periapical
  • residual radicular
Excl.:
lateral periodontal cyst (K09.0)
K04.9 Other and unspecified diseases of pulp and periapical tissues

K05 Gingivitis and periodontal diseases

K05.0 Acute gingivitis
Excl.:
acute necrotizing ulcerative gingivitis (A69.1)
herpesviral [herpes simplex] gingivostomatitis (B00.2)
K05.1 Chronic gingivitis
Incl.:
Gingivitis (chronic):
  • NOS
  • desquamative
  • hyperplastic
  • simple marginal
  • ulcerative
K05.2 Acute periodontitis
Incl.:
Acute pericoronitis
Parodontal abscess
Periodontal abscess
Excl.:
acute apical periodontitis (K04.4)
periapical abscess (K04.7)
periapical abscess with sinus (K04.6)
K05.3 Chronic periodontitis
Incl.:
Chronic pericoronitis
Periodontitis:
  • NOS
  • complex
  • simplex
K05.4 Periodontosis
Incl.:
Juvenile periodontosis
K05.5 Other periodontal diseases
K05.6 Periodontal disease, unspecified

K06 Other disorders of gingiva and edentulous alveolar ridge

Excl.:
atrophy of edentulous alveolar ridge (K08.2)
gingivitis:
K06.0 Gingival recession
Incl.:
Gingival recession (generalized)(localized)(postinfective)(post-operative)
K06.1 Gingival enlargement
Incl.:
Gingival fibromatosis
K06.2 Gingival and edentulous alveolar ridge lesions associated with trauma
Incl.:
Irritative hyperplasia of edentulous ridge [denture hyperplasia]
Coding-Hint
Use additional external cause code (Chapter XX), if desired, to identify cause.
K06.8 Other specified disorders of gingiva and edentulous alveolar ridge
Incl.:
Fibrous epulis
Flabby ridge
Giant cell epulis
Peripheral giant cell granuloma
Pyogenic granuloma of gingiva
K06.9 Disorder of gingiva and edentulous alveolar ridge, unspecified

K07 Dentofacial anomalies [including malocclusion]

Excl.:
hemifacial atrophy or hypertrophy (Q67.4)
unilateral condylar hyperplasia or hypoplasia (K10.8)
K07.0 Major anomalies of jaw size
Incl.:
Hyperplasia, hypoplasia:
  • mandibular
  • maxillary
Macrognathism (mandibular)(maxillary)
Micrognathism (mandibular)(maxillary)
Excl.:
acromegaly (E22.0)
Robin syndrome (Q87.0)
K07.1 Anomalies of jaw-cranial base relationship
Incl.:
Asymmetry of jaw
Prognathism (mandibular)(maxillary)
Retrognathism (mandibular)(maxillary)
K07.2 Anomalies of dental arch relationship
Incl.:
Crossbite (anterior)(posterior)
Disto-occlusion
Mesio-occlusion
Midline deviation of dental arch
Openbite (anterior)(posterior)
Overbite (excessive):
  • deep
  • horizontal
  • vertical
Overjet
Posterior lingual occlusion of mandibular teeth
K07.3 Anomalies of tooth position
Incl.:
  • Crowding
  • Diastema
  • Displacement
  • Rotation
  • Spacing, abnormal
  • Transposition
  • of tooth or teeth
Impacted or embedded teeth with abnormal position of such teeth or adjacent teeth
Excl.:
embedded and impacted teeth without abnormal position (K01.-)
K07.4 Malocclusion, unspecified
K07.5 Dentofacial functional abnormalities
Incl.:
Abnormal jaw closure
Malocclusion due to:
  • abnormal swallowing
  • mouth breathing
  • tongue, lip or finger habits
Excl.:
bruxism (F45.8)
teeth-grinding NOS (F45.8)
K07.6 Temporomandibular joint disorders
Incl.:
Costen complex or syndrome
Derangement of temporomandibular joint
Snapping jaw
Temporomandibular joint-pain-dysfunction syndrome
Excl.:
current temporomandibular joint:
K07.8 Other dentofacial anomalies
K07.9 Dentofacial anomaly, unspecified

K08 Other disorders of teeth and supporting structures

K08.0 Exfoliation of teeth due to systemic causes
K08.1 Loss of teeth due to accident, extraction or local periodontal disease
K08.2 Atrophy of edentulous alveolar ridge
K08.3 Retained dental root
K08.8 Other specified disorders of teeth and supporting structures
Incl.:
Alveolar (process) cleft
Enlargement of alveolar ridge NOS
Irregular alveolar process
Toothache NOS
K08.9 Disorder of teeth and supporting structures, unspecified

K09 Cysts of oral region, not elsewhere classified

Incl.:
lesions showing histological features both of aneurysmal cyst and of another fibro-osseous lesion
Excl.:
radicular cyst (K04.8)
K09.0 Developmental odontogenic cysts
Incl.:
Cyst:
  • dentigerous
  • eruption
  • follicular
  • gingival
  • lateral periodontal
  • primordial
K09.1 Developmental (nonodontogenic) cysts of oral region
Incl.:
Cyst (of):
  • nasolabial [nasoalveolar]
  • nasopalatine duct [incisive canal]
K09.2 Other cysts of jaw
Incl.:
Cyst of jaw:
  • NOS
  • aneurysmal
  • haemorrhagic
  • traumatic
Excl.:
latent bone cyst of jaw (K10.0)
Stafne cyst (K10.0)
K09.8 Other cysts of oral region, not elsewhere classified
Incl.:
  • Dermoid cyst
  • Epidermoid cyst
  • Lymphoepithelial cyst
  • of mouth
Epstein pearl
K09.9 Cyst of oral region, unspecified

K10 Other diseases of jaws

K10.0 Developmental disorders of jaws
Incl.:
Latent bone cyst of jaw
Stafne cyst
Torus:
  • mandibularis
  • palatinus
K10.1 Giant cell granuloma, central
Incl.:
Giant cell granuloma NOS
Excl.:
peripheral giant cell granuloma (K06.8)
K10.2 Inflammatory conditions of jaws
Incl.:
  • Osteitis
  • Osteomyelitis (neonatal)
  • Osteonecrosis (drug-induced)(radiation-induced)
  • Osteo(radio)necrosis
  • Periostitis
  • of jaw (acute)(chronic)(suppurative)
Sequestrum of jaw bone
Coding-Hint
Use additional external cause code (Chapter XX), if desired, to identify radiation, if radiation-induced, or to identify drug, if drug-induced.
K10.3 Alveolitis of jaws
Incl.:
Alveolar osteitis
Dry socket
K10.8 Other specified diseases of jaws
Incl.:
Cherubism
  • Exostosis
  • Fibrous dysplasia
  • of jaw
Unilateral condylar:
  • hyperplasia
  • hypoplasia
K10.9 Disease of jaws, unspecified

K11 Diseases of salivary glands

K11.0 Atrophy of salivary gland
K11.1 Hypertrophy of salivary gland
K11.2 Sialoadenitis
Excl.:
epidemic parotitis (B26.-)
uveoparotid fever [Heerfordt] (D86.8)
K11.3 Abscess of salivary gland
K11.4 Fistula of salivary gland
Excl.:
congenital fistula of salivary gland (Q38.4)
K11.5 Sialolithiasis
Incl.:
  • Calculus
  • Stone
  • of salivary gland or duct
K11.6 Mucocele of salivary gland
Incl.:
  • Mucous:
    • extravasation cyst
    • retention cyst
  • of salivary gland
Ranula
K11.7 Disturbances of salivary secretion
Incl.:
Hypoptyalism
Ptyalism
Xerostomia
Excl.:
dry mouth NOS (R68.2)
K11.8 Other diseases of salivary glands
Incl.:
Benign lymphoepithelial lesion of salivary gland
Mikulicz disease
Necrotizing sialometaplasia
Sialectasia
  • Stenosis
  • Stricture
  • of salivary duct
Excl.:
sicca syndrome [Sjögren] (M35.0)
K11.9 Disease of salivary gland, unspecified
Incl.:
Sialoadenopathy NOS

K12 Stomatitis and related lesions

Excl.:
cancrum oris (A69.0)
cheilitis (K13.0)
gangrenous stomatitis (A69.0)
herpesviral [herpes simplex] gingivostomatitis (B00.2)
noma (A69.0)
K12.0 Recurrent oral aphthae
Incl.:
Aphthous stomatitis (major)(minor)
Bednar aphthae
Periadenitis mucosa necrotica recurrens
Recurrent aphthous ulcer
Stomatitis herpetiformis
K12.1 Other forms of stomatitis
Incl.:
Stomatitis:
  • NOS
  • denture
  • ulcerative
  • vesicular
K12.2 Cellulitis and abscess of mouth
Incl.:
Cellulitis of mouth (floor)
Submandibular abscess
Excl.:
abscess (of):
K12.3 Oral mucositis (ulcerative)
Incl.:
Mucositis(oral) (oropharyngeal):
  • NOS
  • drug-induced
  • radiation induced
  • viral

Use additional external cause code (Chapter XX), if desired, to identify external agent

Excl.:
mucositis (ulcerative) of gastrointestinal tract (except oral cavity and oropharynx) (K92.8)

K13 Other diseases of lip and oral mucosa

Incl.:
epithelial disturbances of tongue
Excl.:
certain disorders of gingiva and edentulous alveolar ridge (K05-K06)
cysts of oral region (K09.-)
diseases of tongue (K14.-)
stomatitis and related lesions (K12.-)
K13.0 Diseases of lips
Incl.:
Cheilitis:
  • NOS
  • angular
  • exfoliative
  • glandular
Cheilodynia
Cheilosis
Perlèche NEC
Excl.:
ariboflavinosis (E53.0)
cheilitis due to radiation-related disorders (L55-L59)
perlèche due to:
  • candidiasis (B37.8)
  • riboflavin deficiency (E53.0)
K13.1 Cheek and lip biting
K13.2 Leukoplakia and other disturbances of oral epithelium, including tongue
Incl.:
  • Erythroplakia
  • Leukoedema
  • of oral epithelium, including tongue
Leukokeratosis nicotina palati
Smoker palate
Excl.:
hairy leukoplakia (K13.3)
K13.3 Hairy leukoplakia
K13.4 Granuloma and granuloma-like lesions of oral mucosa
Incl.:
  • Eosinophilic granuloma
  • Granuloma pyogenicum
  • Verrucous xanthoma
  • of oral mucosa
K13.5 Oral submucous fibrosis
Incl.:
Submucous fibrosis of tongue
K13.6 Irritative hyperplasia of oral mucosa
Excl.:
irritative hyperplasia of edentulous ridge [denture hyperplasia] (K06.2)
K13.7 Other and unspecified lesions of oral mucosa
Incl.:
Focal oral mucinosis

K14 Diseases of tongue

Excl.:
  • erythroplakia
  • focal epithelial hyperplasia
  • leukoedema
  • leukoplakia
hairy leukoplakia (K13.3)
macroglossia (congenital) (Q38.2)
submucous fibrosis of tongue (K13.5)
K14.0 Glossitis
Incl.:
  • Abscess
  • Ulceration (traumatic)
  • of tongue
Excl.:
atrophic glossitis (K14.4)
K14.1 Geographic tongue
Incl.:
Benign migratory glossitis
Glossitis areata exfoliativa
K14.2 Median rhomboid glossitis
K14.3 Hypertrophy of tongue papillae
Incl.:
Black hairy tongue
Coated tongue
Hypertrophy of foliate papillae
Lingua villosa nigra
K14.4 Atrophy of tongue papillae
Incl.:
Atrophic glossitis
K14.5 Plicated tongue
Incl.:
  • Fissured
  • Furrowed
  • Scrotal
  • tongue
Excl.:
fissured tongue, congenital (Q38.3)
K14.6 Glossodynia
Incl.:
Glossopyrosis
Painful tongue
K14.8 Other diseases of tongue
Incl.:
  • Atrophy
  • Crenated
  • Enlargement
  • Hypertrophy
  • (of) tongue
K14.9 Disease of tongue, unspecified
Incl.:
Glossopathy NOS