N13.1Billable
Hydronephrosis with ureteral stricture, not elsewhere classified
Short description: Hydronephrosis w ureteral stricture, NEC
- Chapter
- 14. Diseases of the genitourinary system
- Category
- N13
- Effective date
- October 1, 2026
Related codes in category N13
N13Obstructive and reflux uropathyN13.0Hydronephrosis with ureteropelvic junction obstructionYesN13.2Hydronephrosis with renal and ureteral calculous obstructionYesN13.3Other and unspecified hydronephrosisN13.30Unspecified hydronephrosisYesN13.39Other hydronephrosisYesN13.4HydroureterYesN13.5Crossing vessel and stricture of ureter w/o hydronephrosisYesN13.6PyonephrosisYesN13.7Vesicoureteral-refluxN13.70Vesicoureteral-reflux, unspecifiedYesN13.71Vesicoureteral-reflux without reflux nephropathyYes
Frequently asked questions
What is ICD-10 code N13.1?
N13.1 is an ICD-10-CM diagnosis code for Hydronephrosis with ureteral stricture, not elsewhere classified.
Is N13.1 a billable code?
Yes. N13.1 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is N13.1 in?
N13.1 falls under Chapter 14: Diseases of the genitourinary system.
When did N13.1 become effective?
N13.1 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N13.1?
N13.1 belongs to category N13, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.