| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| 05BL0ZZ (Procedure) - Excision of Intracranial Vein, Open Approach | Single To Single | 3831 (Procedure) - Intracran ves resec-anas (Resection of vessel with anastomosis, intracranial vessels) |
| CMS/CDC General Equivalence Mappings |
| 05BL0ZZ (Procedure) - Excision of Intracranial Vein, Open Approach | Single To Single | Alternative #1: 3831 (Procedure) - Intracran ves resec-anas (Resection of vessel with anastomosis, intracranial vessels) |
Single To Single | Alternative #2: 3861 (Procedure) - Intracran vessel excis (Other excision of vessels, intracranial vessels) |