| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| C8199 (Diagnosis) - Hodgkin lymphoma, unsp, extranodal and solid organ sites (Hodgkin lymphoma, unspecified, extranodal and solid organ sites) | Single To Single | 20190 (Diagnosis) - Hdgk dis unsp xtrndl org (Hodgkin's disease, unspecified type, unspecified site, extranodal and solid organ sites) |
| CMS/CDC General Equivalence Mappings |
| C8199 (Diagnosis) - Hodgkin lymphoma, unsp, extranodal and solid organ sites (Hodgkin lymphoma, unspecified, extranodal and solid organ sites) | Single To Single | Alternative #1: 20190 (Diagnosis) - Hdgk dis unsp xtrndl org (Hodgkin's disease, unspecified type, unspecified site, extranodal and solid organ sites) |