| Code | Description |
| J34.81 | Nasal mucositis (ulcerative) |
| K12.30 | Oral mucositis (ulcerative), unspecified |
| K12.31 | Oral mucositis (ulcerative) due to antineoplastic therapy |
| K12.32 | Oral mucositis (ulcerative) due to other drugs |
| K12.33 | Oral mucositis (ulcerative) due to radiation |
| K12.39 | Other oral mucositis (ulcerative) |
| K92.81 | Gastrointestinal mucositis (ulcerative) |
| N76.81 | Mucositis (ulcerative) of vagina and vulva |