| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 53371 (Diagnosis) - Chr peptic ulcer NOS-obs (Chronic peptic ulcer of unspecified site without mention of hemorrhage or perforation, with obstruction) | Single To Single | K277 (Diagnosis) - Chronic peptic ulcer, site unsp, w/o hemorrhage or perf (Chronic peptic ulcer, site unspecified, without hemorrhage or perforation) |
| CMS/CDC General Equivalence Mappings |
| 53371 (Diagnosis) - Chr peptic ulcer NOS-obs (Chronic peptic ulcer of unspecified site without mention of hemorrhage or perforation, with obstruction) | Single To Single | Alternative #1: K277 (Diagnosis) - Chronic peptic ulcer, site unsp, w/o hemorrhage or perf (Chronic peptic ulcer, site unspecified, without hemorrhage or perforation) |