| Recommended Mapping (based on statistical analysis) |
| Source ICD-9 | Mapping Type | Target ICD-10 |
| 78930 (Diagnosis) - Abdmnal mass unspcf site (Abdominal or pelvic swelling, mass, or lump, unspecified site) | Single To Single | R1900 (Diagnosis) - Intra-abd and pelvic swelling, mass and lump, unsp site (Intra-abdominal and pelvic swelling, mass and lump, unspecified site) |
| CMS/CDC General Equivalence Mappings |
| 78930 (Diagnosis) - Abdmnal mass unspcf site (Abdominal or pelvic swelling, mass, or lump, unspecified site) | Single To Single | Alternative #1: R1900 (Diagnosis) - Intra-abd and pelvic swelling, mass and lump, unsp site (Intra-abdominal and pelvic swelling, mass and lump, unspecified site) |