| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 53550 (Diagnosis) - Gstr/ddnts NOS w/o hmrhg (Unspecified gastritis and gastroduodenitis, without mention of hemorrhage) | Single To Single | K2970 (Diagnosis) - Gastritis, unspecified, without bleeding |
| CMS/CDC General Equivalence Mappings |
| 53550 (Diagnosis) - Gstr/ddnts NOS w/o hmrhg (Unspecified gastritis and gastroduodenitis, without mention of hemorrhage) | Single To Single | Alternative #1: K2970 (Diagnosis) - Gastritis, unspecified, without bleeding |
Single To Single | Alternative #2: K2990 (Diagnosis) - Gastroduodenitis, unspecified, without bleeding |