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K12.31

Billable

Oral mucositis (ulcerative) due to antineoplastic therapy

This code does not map to an HCC category in any model (V28, V24, ESRD, RxHCC).

What This Code Means

Painful mouth ulcers that develop as a side effect of cancer treatment medications or chemotherapy.

Coding Tips

  • •Always link this to the cancer diagnosis and the specific antineoplastic therapy being administered
  • •Document the severity and impact on oral intake for treatment planning

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)

Code Hierarchy

└K12Stomatitis and related lesions└K12.3Oral mucositis (ulcerative)└K12.31Oral mucositis (ulcerative) due to antineoplastic therapy
└K12.31Oral mucositis (ulcerative) due to antineoplastic therapy

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