| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 53320 (Diagnosis) - Ac peptic ulc w hem/perf (Acute peptic ulcer of unspecified site with hemorrhage and perforation, without mention of obstruction) | Single To Single | K272 (Diagnosis) - Acute peptic ulcer, site unsp, w both hemorrhage and perf (Acute peptic ulcer, site unspecified, with both hemorrhage and perforation) |
| CMS/CDC General Equivalence Mappings |
| 53320 (Diagnosis) - Ac peptic ulc w hem/perf (Acute peptic ulcer of unspecified site with hemorrhage and perforation, without mention of obstruction) | Single To Single | Alternative #1: K272 (Diagnosis) - Acute peptic ulcer, site unsp, w both hemorrhage and perf (Acute peptic ulcer, site unspecified, with both hemorrhage and perforation) |