| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 20211 (Diagnosis) - Mycosis fungoides head (Mycosis fungoides, lymph nodes of head, face, and neck) | Single To Single | C8401 (Diagnosis) - Mycosis fungoides, lymph nodes of head, face, and neck |
| CMS/CDC General Equivalence Mappings |
| 20211 (Diagnosis) - Mycosis fungoides head (Mycosis fungoides, lymph nodes of head, face, and neck) | Single To Single | Alternative #1: C8401 (Diagnosis) - Mycosis fungoides, lymph nodes of head, face, and neck |