A00-B99 C00-D48D50-D89 E00-E90 F00-F99 G00-G99 H00-H59 H60-H95 I00-I99 J00-J99 K00-K93
L00-L99 M00-M99 N00-N99 O00-O99 P00-P96 Q00-Q99 R00-R99 S00-T98 V01-Y98 Z00-Z99 U00-U99

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

Chapter XI

Diseases of the digestive system

Diseases of oral cavity, salivary glands and jaws

K00Disorders of tooth development and eruption
Latin: Disordines evolutionis et eruptionis dentium
Excludes:embedded and impacted teeth (K01.-)
Latin: Anodontia
K00.1Supernumerary teeth
Latin: Dentes supernumerarii
Fourth molar
Supplementary teeth
K00.2Abnormalities of size and form of teeth
Latin: Magnitudo et forma dentium abnormalis
of teeth
· evaginatus
· in dente
· invaginatus
Enamel pearls
Peg-shaped [conical] teeth
Tuberculum paramolare
Excludes:tuberculum Carabelli, which is regarded as a normal variation and should not be coded
K00.3Mottled teeth
Latin: Dentes versicolores
Dental fluorosis
Mottling of enamel
Nonfluoride enamel opacities
Excludes:deposits [accretions] on teeth (K03.6)
K00.4Disturbances in tooth formation
Latin: Disordines formationis dentium
Aplasia and hypoplasia of cementum
Dilaceration of tooth
Enamel hypoplasia (neonatal)(postnatal)(prenatal)
Regional odontodysplasia
Turner's tooth
Excludes:Hutchinson's teeth and mulberry molars in congenital syphilis (A50.5)
mottled teeth (K00.3)
K00.5Hereditary disturbances in tooth structure, not elsewhere classified
Latin: Anomaliae structurae dentium congenitae
Dentinal dysplasia
Shell teeth
K00.6Disturbances in tooth eruption
Latin: Disordines eruptionis dentium
Dentia praecox
· eruption of tooth
· shedding of primary [deciduous] tooth
Retained [persistent] primary tooth
K00.7Teething syndrome
Latin: Syndroma dentitionis
K00.8Other disorders of tooth development
Latin: Disordines evolutionis dentium alii
Colour changes during tooth formation
Intrinsic staining of teeth NOS
K00.9Disorder of tooth development, unspecified
Latin: Disordo evolutionis dentium, non specificatus
Disorder of odontogenesis NOS

K01Embedded and impacted teeth
Latin: Dens retentus et dens impactus
Excludes:embedded and impacted teeth with abnormal position of such teeth or adjacent teeth (K07.3)
K01.0Embedded teeth
Latin: Retentio dentis
An embedded tooth is a tooth that has failed to erupt without obstruction by another tooth.
K01.1Impacted teeth
Latin: Impactio dentis
An impacted tooth is a tooth that has failed to erupt because of obstruction by another tooth.

K02Dental caries
Latin: Caries dentium
K02.0Caries limited to enamel
Latin: Caries adamantini dentium
White spot lesions [initial caries]
K02.1Caries of dentine
Latin: Caries dentini dentium
K02.2Caries of cementum
Latin: Caries caementi dentium
K02.3Arrested dental caries
Latin: Caries dentium inhibita
Latin: Odontoclasia
Infantile melanodontia
K02.8Other dental caries
Latin: Caries dentium alia
K02.9Dental caries, unspecified
Latin: Caries dentium, non specificata

K03Other diseases of hard tissues of teeth
Latin: Morbi textuum dentium durarum alii
Excludes:bruxism (F45.8)
dental caries (K02.-)
teeth-grinding NOS (F45.8)
K03.0Excessive attrition of teeth
Latin: Attritio dentium
· approximal
· occlusal
of teeth
K03.1Abrasion of teeth
Latin: Abrasio dentium
· dentifrice
· habitual
· occupational
· ritual
· traditional
Wedge defect NOS
of teeth
K03.2Erosion of teeth
Latin: Erosio dentium
Erosion of teeth:
· due to:
  · diet
  · drugs and medicaments
  · persistent vomiting
· idiopathic
· occupational
K03.3Pathological resorption of teeth
Latin: Resorptio dentium pathologica
Internal granuloma of pulp
Resorption of teeth (external)
Latin: Hypercaementosis
Cementation hyperplasia
K03.5Ankylosis of teeth
Latin: Ancylosis dentis
K03.6Deposits [accretions] on teeth
Latin: Sedimenta dentis
Dental calculus:
· subgingival
· supragingival
Deposits [accretions] on teeth:
· betel
· black
· green
· materia alba
· orange
· tobacco
Staining of teeth:
· extrinsic NOS
K03.7Posteruptive colour changes of dental hard tissues
Latin: Discoloratio dentis posteruptiva
Excludes:deposits [accretions] on teeth (K03.6)
K03.8Other specified diseases of hard tissues of teeth
Latin: Morbi textuum dentium durarum alii, specificati
Irradiated enamel
Sensitive dentine
Use additional external cause code (Chapter XX), if desired, to identify radiation, if radiation-induced.
K03.9Disease of hard tissues of teeth, unspecified
Latin: Morbus textuum dentium durorum, non specificatus

K04Diseases of pulp and periapical tissues
Latin: Morbi pulpae et textus periapicalis
Latin: Pulpitis
· abscess
· polyp
· acute
· chronic (hyperplastic)(ulcerative)
· suppurative
K04.1Necrosis of pulp
Latin: Necrosis pulpae dentis
Pulpal gangrene
K04.2Pulp degeneration
Latin: Degeneratio pulpae dentis
· calcifications
· stones
K04.3Abnormal hard tissue formation in pulp
Latin: Formatio textus duri in pulpa abnormalis
Secondary or irregular dentine
K04.4Acute apical periodontitis of pulpal origin
Latin: Periodontitis pulpae apicalis acuta
Acute apical periodontitis NOS
K04.5Chronic apical periodontitis
Latin: eriodontitis pulpae apicalis chronica
Apical or periapical granuloma
Apical periodontitis NOS
K04.6Periapical abscess with sinus
Latin: Abscessus periapicalis fistulosus
abscess with sinus
K04.7Periapical abscess without sinus
Latin: Abscessus periapicalis non fistulosus
abscess NOS
K04.8Radicular cyst
Latin: Cystis dentis radicularis
· apical (periodontal)
· periapical
· residual radicular
Excludes:lateral periodontal cyst (K09.0)
K04.9Other and unspecified diseases of pulp and periapical tissues
Latin: Morbi pulpae et textus periapicalis alii et non specificati

K05Gingivitis and periodontal diseases
Latin: Gingivitis et morbi periodontales
K05.0Acute gingivitis
Latin: Gingivitis acuta
Excludes:acute necrotizing ulcerative gingivitis (A69.1)
herpesviral [herpes simplex] gingivostomatitis (B00.2)
K05.1Chronic gingivitis
Latin: Gingivitis chronica
Gingivitis (chronic):
· desquamative
· hyperplastic
· simple marginal
· ulcerative
K05.2Acute periodontitis
Latin: Periodontitis acuta
Acute pericoronitis
Parodontal abscess
Periodontal abscess
Excludes:acute apical periodontitis (K04.4)
periapical abscess (K04.7)
periapical abscess with sinus (K04.6)
K05.3Chronic periodontitis
Latin: Periodontitis chronica
Chronic pericoronitis
· complex
· simplex
Latin: Periodontosis
Juvenile periodontosis
K05.5Other periodontal diseases
Latin: Morbi periodontales alii
K05.6Periodontal disease, unspecified
Latin: Morbi periodontales, non specificati

K06Other disorders of gingiva and edentulous alveolar ridge
Latin: Morbi gingivae et processus alveolaris edentati alii
Excludes:atrophy of edentulous alveolar ridge (K08.2)
· NOS (K05.1)
· acute (K05.0)
· chronic (K05.1)
K06.0Gingival recession
Latin: Recessio gingivae
Gingival recession (generalized)(localized)(postinfective)(post-operative)
K06.1Gingival enlargement
Latin: Hypertrophia gingivae
Gingival fibromatosis
K06.2Gingival and edentulous alveolar ridge lesions associated with trauma
Latin: Laesio gingivae et processus alveolaris edentati traumatica
Irritative hyperplasia of edentulous ridge [denture hyperplasia]
Use additional external cause code (Chapter XX), if desired, to identify cause.
K06.8Other specified disorders of gingiva and edentulous alveolar ridge
Latin: Morbi gingivae et processus alveoralis edentati alii, specificati
Fibrous epulis
Flabby ridge
Giant cell epulis
Peripheral giant cell granuloma
Pyogenic granuloma of gingiva
K06.9Disorder of gingiva and edentulous alveolar ridge, unspecified
Latin: Morbus gingivae et processus alveolaris edentati, non specificatus

K07Dentofacial anomalies [including malocclusion]
Latin: Anomaliae dentofaciales, malocclusiones includens
Excludes:hemifacial atrophy or hypertrophy (Q67.4)
unilateral condylar hyperplasia or hypoplasia (K10.8)
K07.0Major anomalies of jaw size
Latin: Gnathanomaliae majores
Hyperplasia, hypoplasia:
· mandibular
· maxillary
Macrognathism (mandibular)(maxillary)
Micrognathism (mandibular)(maxillary)
Excludes:acromegaly (E22.0)
Robin's syndrome (Q87.0)
K07.1Anomalies of jaw-cranial base relationship
Latin: Gnathanomaliae et anomaliae basis cranii
Asymmetry of jaw
Prognathism (mandibular)(maxillary)
Retrognathism (mandibular)(maxillary)
K07.2Anomalies of dental arch relationship
Latin: Gnathanomaliae arcuum dentalium
Crossbite (anterior)(posterior)
Midline deviation of dental arch
Openbite (anterior)(posterior)
Overbite (excessive):
· deep
· vertical
Posterior lingual occlusion of mandibular teeth
K07.3Anomalies of tooth position
Latin: Malpositiones dentis
Spacing, abnormal
of tooth or teeth
Impacted or embedded teeth with abnormal position of such teeth or adjacent teeth
Excludes:embedded and impacted teeth without abnormal position (K01.-)
K07.4Malocclusion, unspecified
Latin: Malocclusio dentis, non specificata
K07.5Dentofacial functional abnormalities
Latin: Abnormitas functionis dentofacialis
Abnormal jaw closure
Malocclusion due to:
· abnormal swallowing
· mouth breathing
· tongue, lip or finger habits
Excludes:bruxism (F45.8)
teeth-grinding NOS (F45.8)
K07.6Temporomandibular joint disorders
Latin: Disordines articuli temporomandibularis
Costen's complex or syndrome
Derangement of temporomandibular joint
Snapping jaw
Temporomandibular joint-pain-dysfunction syndrome
Excludes:current temporomandibular joint:
· dislocation (S03.0)
· strain (S03.4)
K07.8Other dentofacial anomalies
Latin: Anomaliae dentofaciales aliae
K07.9Dentofacial anomaly, unspecified
Latin: Anomalia dentofacialis, non specificata

K08Other disorders of teeth and supporting structures
Latin: Morbi dentium et textus sustentionalis alii
K08.0Exfoliation of teeth due to systemic causes
Latin: Exfoliatio dentium in morbis sistematicis
K08.1Loss of teeth due to accident, extraction or local periodontal disease
Latin: Edentatio dentium propter accidentem, extractionem sive morbum periodonti
K08.2Atrophy of edentulous alveolar ridge
Latin: Atrophia processus alveolaris edentati
K08.3Retained dental root
Latin: Radix relicta
K08.8Other specified disorders of teeth and supporting structures
Latin: Morbi dentium et textus sustentionalis alii, specificati
Enlargement of alveolar ridge NOS
Irregular alveolar process
Toothache NOS
K08.9Disorder of teeth and supporting structures, unspecified
Latin: Morbus dentium et textus sustentionalis, non specificatus

K09Cysts of oral region, not elsewhere classified
Latin: Cistes regionis oralis
Includes:lesions showing histological features both of aneurysmal cyst and of another fibro-osseous lesion
Excludes:radicular cyst (K04.8)
K09.0Developmental odontogenic cysts
Latin: Cystes odontogenales evolutionales
· dentigerous
· eruption
· follicular
· gingival
· lateral periodontal
· primordial
K09.1Developmental (nonodontogenic) cysts of oral region
Latin: Cystes non odontogenes evolutionales
Cyst (of):
· globulomaxillary
· incisive canal
· median palatal
· nasopalatine
· palatine papilla
K09.2Other cysts of jaw
Latin: Cystes maxillae, aliae
Cyst of jaw:
· aneurysmal
· haemorrhagic
· traumatic
Excludes:latent bone cyst of jaw (K10.0)
Stafne's cyst (K10.0)
K09.8Other cysts of oral region, not elsewhere classified
Latin: Cystes regionis oralis aliae
Dermoid cyst
Epidermoid cyst
Lymphoepithelial cyst
of mouth
Epstein's pearl
Nasoalveolar cyst
Nasolabial cyst
K09.9Cyst of oral region, unspecified
Latin: Cystis regionis oralis, non specificata

K10Other diseases of jaws
Latin: Morbi maxillae et mandibulae alii
K10.0Developmental disorders of jaws
Latin: Disordines maxillae et mandibulae evolutionales
Latent bone cyst of jaw
Stafne's cyst
· mandibularis
· palatinus
K10.1Giant cell granuloma, central
Latin: Granuloma maxillae et mandibulae gigantocellulare centrale
Giant cell granuloma NOS
Excludes:peripheral giant cell granuloma (K06.8)
K10.2Inflammatory conditions of jaws
Latin: Status inflammatorii maxillae et mandibulae
Osteomyelitis (neonatal)
of jaw (acute)(chronic)(suppurative)
Sequestrum of jaw bone
Use additional external cause code (Chapter XX), if desired, to identify radiation, if radiation-induced.
K10.3Alveolitis of jaws
Latin: Alveolitis
Alveolar osteitis
Dry socket
K10.8Other specified diseases of jaws
Latin: Morbi maxillae et mandibulae alii, specificati
Fibrous dysplasia
of jaw
Unilateral condylar:
· hyperplasia
· hypoplasia
K10.9Disease of jaws, unspecified
Latin: Morbus maxillae et mandibulae, non specificatus

K11Diseases of salivary glands
Latin: Morbi glandularum salivarium
K11.0Atrophy of salivary gland
Latin: Atrophia glandulae salivaris
K11.1Hypertrophy of salivary gland
Latin: Hypertrophia glandulae salivaris
Latin: Sialoadenitis
Excludes:epidemic parotitis (B26.-)
uveoparotid fever [Heerfordt] (D86.8)
K11.3Abscess of salivary gland
Latin: Abscessus glandulae salivaris
K11.4Fistula of salivary gland
Latin: Fistula glandulae salivaris
Excludes:congenital fistula of salivary gland (Q38.4)
Latin: Sialolithiasis
of salivary gland or duct
K11.6Mucocele of salivary gland
Latin: Mucocele glandulae salivaris
· extravasation cyst
· retention cyst
of salivary gland
K11.7Disturbances of salivary secretion
Latin: Dysfunctio secretionis glandulae salivaris
Excludes:dry mouth NOS (R68.2)
K11.8Other diseases of salivary glands
Latin: Morbi glandularum salivarium alii
Benign lymphoepithelial lesion of salivary gland
Mikulicz' disease
Necrotizing sialometaplasia
of salivary duct
Excludes:sicca syndrome [Sjögren] (M35.0)
K11.9Disease of salivary gland, unspecified
Latin: Morbus glandulae salivaris, non specificatus
Sialoadenopathy NOS

K12Stomatitis and related lesions
Latin: Stomatitis
Excludes:cancrum oris (A69.0)
cheilitis (K13.0)
gangrenous stomatitis (A69.0)
herpesviral [herpes simplex] gingivostomatitis (B00.2)
noma (A69.0)
K12.0Recurrent oral aphthae
Latin: Aphtae oris recurrentes
Aphthous stomatitis (major)(minor)
Bednar's aphthae
Periadenitis mucosa necrotica recurrens
Recurrent aphthous ulcer
Stomatitis herpetiformis
K12.1Other forms of stomatitis
Latin: Stomatitis, formae aliae
· denture
· ulcerative
· vesicular
K12.2Cellulitis and abscess of mouth
Latin: Phlegmone et abscessus oris
Cellulitis of mouth (floor)
Submandibular abscess
Excludes:abscess (of):
· periapical (K04.6-K04.7)
· periodontal (K05.2)
· peritonsillar (J36)
· salivary gland (K11.3)
· tongue (K14.0)

K13Other diseases of lip and oral mucosa
Latin: Morbi labii et mucosae oris alii
Includes:epithelial disturbances of tongue
Excludes:certain disorders of gingiva and edentulous alveolar ridge (K05-K06)
cysts of oral region (K09.-)
diseases of tongue (K14.-)
stomatitis and related lesions (K12.-)
K13.0Diseases of lips
Latin: Morbi labii
· angular
· exfoliative
· glandular
Perlèche NEC
Excludes:ariboflavinosis (E53.0)
cheilitis due to radiation-related disorders (L55-L59)
perlèche due to:
· candidiasis (B37.8)
· riboflavin deficiency (E53.0)
K13.1Cheek and lip biting
Latin: Morsus buccae et labii oris
K13.2Leukoplakia and other disturbances of oral epithelium, including tongue
Latin: Leucoplakia et disordines epithelii oris et linguae alii
of oral epithelium, including tongue
Leukokeratosis nicotina palati
Smoker's palate
Excludes:hairy leukoplakia (K13.3)
K13.3Hairy leukoplakia
Latin: Leucoplakia pilosa
K13.4Granuloma and granuloma-like lesions of oral mucosa
Latin: Granuloma et laesiones mucosae oris granulomatosae
Eosinophilic granuloma
Granuloma pyogenicum
Verrucous xanthoma
of oral mucosa
K13.5Oral submucous fibrosis
Latin: Fibrosis submucosae oris
Submucous fibrosis of tongue
K13.6Irritative hyperplasia of oral mucosa
Latin: Hyperplasia mucosae oris irritativa
Excludes:irritative hyperplasia of edentulous ridge [denture hyperplasia] (K06.2)
K13.7Other and unspecified lesions of oral mucosa
Latin: Laesiones mucosae oris aliae et non specificatae
Focal oral mucinosis

K14Diseases of tongue
Latin: Morbi linguae
focal epithelial hyperplasia
of tongue (K13.2)
hairy leukoplakia (K13.3)
macroglossia (congenital) (Q38.2)
submucous fibrosis of tongue (K13.5)
Latin: Glossitis
Ulceration (traumatic)
of tongue
Excludes:atrophic glossitis (K14.4)
K14.1Geographic tongue
Latin: Lingua geographica
Benign migratory glossitis
Glossitis areata exfoliativa
K14.2Median rhomboid glossitis
Latin: Glossitis rhomboides mediana
K14.3Hypertrophy of tongue papillae
Latin: Hypertrophia papillarum linguae
Black hairy tongue
Coated tongue
Hypertrophy of foliate papillae
Lingua villosa nigra
K14.4Atrophy of tongue papillae
Latin: Atrophia papillarum linguae
Atrophic glossitis
K14.5Plicated tongue
Latin: Lingua plicata
Excludes:fissured tongue, congenital (Q38.3)
Latin: Lingua dolorosa
Painful tongue
K14.8Other diseases of tongue
Latin: Morbi linguae alii
(of) tongue
K14.9Disease of tongue, unspecified
Latin: Morbus linguae, non specificatus
Glossopathy NOS