| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| S0211CA (Diagnosis) - Type II occipital condyle fracture, right side, init (Type II occipital condyle fracture, right side, initial encounter for closed fracture) | Single To Single | 80100 (Diagnosis) - Clos skull base fracture (Closed fracture of base of skull without mention of intra cranial injury, unspecified state of consciousness) |
| CMS/CDC General Equivalence Mappings |
| S0211CA (Diagnosis) - Type II occipital condyle fracture, right side, init (Type II occipital condyle fracture, right side, initial encounter for closed fracture) | Single To Single | Alternative #1: 80100 (Diagnosis) - Clos skull base fracture (Closed fracture of base of skull without mention of intra cranial injury, unspecified state of consciousness) |