| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| S52031C (Diagnosis) - Disp fx of olecran pro w intartic extn r ulna, 7thC (Displaced fracture of olecranon process with intraarticular extension of right ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC) | Single To Single | 81311 (Diagnosis) - Fx olecran proc ulna-opn (Open fracture of olecranon process of ulna) |
| CMS/CDC General Equivalence Mappings |
| S52031C (Diagnosis) - Disp fx of olecran pro w intartic extn r ulna, 7thC (Displaced fracture of olecranon process with intraarticular extension of right ulna, initial encounter for open fracture type IIIA, IIIB, or IIIC) | Single To Single | Alternative #1: 81311 (Diagnosis) - Fx olecran proc ulna-opn (Open fracture of olecranon process of ulna) |