ICD-10-CM Book 2024 Edition

Chapters  /  Chapter 11  /  K00-K14  /  K12
K12 Stomatitis and related lesions
UseAdditionalCode code to identify:
alcohol abuse and dependence (F10.-)
exposure to environmental tobacco smoke (Z77.22)
exposure to tobacco smoke in the perinatal period (P96.81)
history of tobacco dependence (Z87.891)
occupational exposure to environmental tobacco smoke (Z57.31)
tobacco dependence (F17.-)
tobacco use (Z72.0)
Excludes1 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
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
UseAdditionalCode code for adverse effect, if applicable, to identify antineoplastic and immunosuppressive drugs (T45.1X5)
UseAdditionalCode code for other antineoplastic therapy, such as:
radiological procedure and radiotherapy (Y84.2)
K12.32 Oral mucositis (ulcerative) due to other drugs
UseAdditionalCode code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)
K12.33 Oral mucositis (ulcerative) due to radiation
UseAdditionalCode external cause code (W88-W90, X39.0-) to identify cause
K12.39 Other oral mucositis (ulcerative)
Viral oral mucositis (ulcerative)