TheCardiovascular
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K12.33 Oral mucositis (ulcerative) due to radiation

BackK12Stomatitis and related lesions4 →K12.0Recurrent oral aphthaeK12.1Other forms of stomatitisK12.2Cellulitis and abscess of mouthK12.3Oral mucositis (ulcerative)5 →K12.30Oral mucositis (ulcerative), unspecifiedK12.31Oral mucositis (ulcerative) due to antineoplastic therapyK12.32Oral mucositis (ulcerative) due to other drugsK12.33Oral mucositis (ulcerative) due to radiationK12.39Other oral mucositis (ulcerative)
CategoryCODABLE
K12.33
Oral mucositis (ulcerative) due to radiation
CODING RULE
Use additional code: external cause code (W88-W90, X39.0-) to identify cause
Chapter
XI · Diseases of the digestive system
Section
K00-K14
Valid from
Source

CMS ICD-10-CM Tabular List, edition FY2026.

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