| Source ICD-10 | Mapping Type | Target ICD-9 |
| Recommended Mapping (based on statistical analysis) |
| 3E1K38Z (Procedure) - Irrigation of GU Tract using Irrigat, Perc Approach (Irrigation of Genitourinary Tract using Irrigating Substance, Percutaneous Approach) | Single To Single | 9645 (Procedure) - Nephrost/pyelost irrigat (Irrigation of nephrostomy and pyelostomy) |
| CMS/CDC General Equivalence Mappings |
| 3E1K38Z (Procedure) - Irrigation of GU Tract using Irrigat, Perc Approach (Irrigation of Genitourinary Tract using Irrigating Substance, Percutaneous Approach) | Single To Single | Alternative #1: 9645 (Procedure) - Nephrost/pyelost irrigat (Irrigation of nephrostomy and pyelostomy) |
Single To Single | Alternative #2: 9646 (Procedure) - Urterost/urete cth irrig (Irrigation of ureterostomy and ureteral catheter) | Single To Single | Alternative #3: 9647 (Procedure) - Cystostomy irrigation (Irrigation of cystostomy) |