K12.32

Oral mucositis (ulcerative) due to other drugs

Billable code

This code does not map to a risk-adjusting HCC in the loaded models.

Coding notes

Excludes 1 never coded together · Excludes 2 may co-exist

This code · K12.32
Use additional

code for adverse effect, if applicable, to identify drug (T36-T50 with fifth or sixth character 5)

Inherited from K12.3Oral mucositis (ulcerative)
Excludes 2

gastrointestinal mucositis (ulcerative) (K92.81) mucositis (ulcerative) of vagina and vulva (N76.81) nasal mucositis (ulcerative) (J34.81)

Synonyms

Mucositis (oral) (oropharyneal)

Inherited from K12Stomatitis and related lesions
Excludes 1

cancrum oris (A69.0) cheilitis (K13.0) gangrenous stomatitis (A69.0) herpesviral [herpes simplex] gingivostomatitis (B00.2) noma (A69.0)

Use additional

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)

Inherited from chapter 11Diseases of the digestive system
Excludes 2

certain conditions originating in the perinatal period (P04-P96) certain infectious and parasitic diseases (A00-B99) complications of pregnancy, childbirth and the puerperium (O00-O9A) congenital malformations, deformations and chromosomal abnormalities (Q00-Q99) endocrine, nutritional and metabolic diseases (E00-E88) injury, poisoning and certain other consequences of external causes (S00-T88) neoplasms (C00-D49) symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Official Guidelines for K12.32

FY 2026 ›

Find K12.32 in the alphabetic index

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