N13.30Billable
Unspecified hydronephrosis
- 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 obstructionYesN13.1Hydronephrosis w ureteral stricture, NECYesN13.2Hydronephrosis with renal and ureteral calculous obstructionYesN13.3Other and unspecified hydronephrosisN13.39Other 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 N13.30?
N13.30 is an ICD-10-CM diagnosis code for Unspecified hydronephrosis.
Is N13.30 a billable code?
Yes. N13.30 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is N13.30 in?
N13.30 falls under Chapter 14: Diseases of the genitourinary system.
When did N13.30 become effective?
N13.30 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to N13.30?
N13.30 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.