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stomatitis (A69.0)

herpesviral [herpes simplex] gingivostomatitis (B00.2)
noma (A69.0)
K12.0 Recurrent oral aphthae
Aphthous stomatitis (major) (minor)
Bednar's aphthae
Periadenitis mucosa necrotica recurrens
Recurrent aphthous ulcer
Stomatitis herpetiformis
K12.1 Other forms of stomatitis
Stomatitis NOS
Denture stomatitis
Ulcerative stomatitis
Vesicular stomatitis
Excludes1: acute necrotizing ulcerative stomatitis (A69.1)
Vincent's stomatitis (A69.1)
K12.2 Cellulitis and abscess of mouth
Cellulitis of mouth (floor)
Submandibular abscess
Excludes2: abscess of salivary gland (K11.3)
abscess of tongue (K14.0)
periapical abscess (K04.6-K04.7)
periodontal abscess (K05.21)
peritonsillar abscess (J36)
K12.3 Oral mucositis (ulcerative)
Mucositis (oral) (oropharyneal)
Excludes2: gastrointestinal mucositis (ulcerative) (K92.81)
mucositis (ulcerative) of vagina and vulva (N76.81)
nasal mucositis (ulcerative) (J34.81)
K12.30 Oral mucositis (ulcerative), unspecified
K12.31 Oral mucositis (ulcerative) due to antineoplastic therapy
Code also type of associated therapy, such as:
antineoplastic and immunosuppressive drugs (T45.1x-)
radiological procedure and radiotherapy (Y84.2)
K12.32 Oral mucositis (ulcerative) due to other drugs
Code also drug (T36-T50)
K12.33 Oral mucositis (ulcerative) due to radiation
Use additional external cause code (W88-W90, X39.0-) to identify cause
K12.39 Other oral mucositis (ulcerative)
Viral oral mucositis (ulcerative)

K13 Other diseases of lip and oral mucosa

Includes: epithelial disturbances of tongue
Use additional code to identify:
alcohol abuse and dependence (F10.-)
exposure