| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| 07B90ZX (Procedure) - Excision of Int Mamm, L Lymph, Open Approach, Diagn (Excision of Left Internal Mammary Lymphatic, Open Approach, Diagnostic) | Single To Single | 4011 (Procedure) - Lymphatic struct biopsy (Biopsy of lymphatic structure) |
| CMS/CDC General Equivalence Mappings |
| 07B90ZX (Procedure) - Excision of Int Mamm, L Lymph, Open Approach, Diagn (Excision of Left Internal Mammary Lymphatic, Open Approach, Diagnostic) | Single To Single | Alternative #1: 4011 (Procedure) - Lymphatic struct biopsy (Biopsy of lymphatic structure) |