ICD-9 591 → ICD-10-CM
Official CMS General Equivalence Mapping (GEM) equivalents for the retired ICD-9-CM code 591.
Informational only — GEM mappings are approximate, not guaranteed one-to-one equivalents. Verify against current official sources before use in billing.
- N13.0Hydronephrosis with ureteropelvic junction obstructionApproximate matchPart of a combination mapping
- N13.1Hydronephrosis with ureteral stricture, not elsewhere classifiedApproximate matchPart of a combination mapping
- N13.2Hydronephrosis with renal and ureteral calculous obstructionApproximate matchPart of a combination mapping
- N13.30Unspecified hydronephrosisApproximate match
- N13.39Other hydronephrosisApproximate match