| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| S229XXA (Diagnosis) - Fracture of bony thorax, part unsp, init for clos fx (Fracture of bony thorax, part unspecified, initial encounter for closed fracture) | Single To Single | 8090 (Diagnosis) - Fracture trunk bone-clos (Fracture of bones of trunk, closed) |
| CMS/CDC General Equivalence Mappings |
| S229XXA (Diagnosis) - Fracture of bony thorax, part unsp, init for clos fx (Fracture of bony thorax, part unspecified, initial encounter for closed fracture) | Single To Single | Alternative #1: 8090 (Diagnosis) - Fracture trunk bone-clos (Fracture of bones of trunk, closed) |