K12.3 - Oral mucositis (ulcerative)
K12.31 - Oral mucositis (ulcerative) due to antineoplastic therapy
Use Additional Code:
-code for adverse effect, if applicable, to identify antineoplastic and immunosuppressive drugs T45.1X5)
-code for other antineoplastic therapy, such as:
-radiological procedure and radiotherapy Y84.2)