| ICD-10 Code | Description |
| C84.00 | Mycosis fungoides, unspecified site |
| C84.01 | Mycosis fungoides, lymph nodes of head, face, and neck |
| C84.02 | Mycosis fungoides, intrathoracic lymph nodes |
| C84.03 | Mycosis fungoides, intra-abdominal lymph nodes |
| C84.04 | Mycosis fungoides, lymph nodes of axilla and upper limb |
| C84.05 | Mycosis fungoides, lymph nodes of inguinal region and lower limb |
| C84.06 | Mycosis fungoides, intrapelvic lymph nodes |
| C84.07 | Mycosis fungoides, spleen |
| C84.08 | Mycosis fungoides, lymph nodes of multiple sites |
| C84.09 | Mycosis fungoides, extranodal and solid organ sites |
| C84.0A | Mycosis fungoides, in remission |
