N13.1
ICD-10BillableHydronephrosis w ureteral stricture, NEC
Official ICD-10-CM descriptor (FY2026)
Hydronephrosis with ureteral stricture, not elsewhere classified
N13.1 is valid for submission on a claim — CMS flags it as a billable, specific code.
Excludes1
Not coded here. An Excludes1 code should never be reported at the same time as the code above it.
- Hydronephrosis with ureteral stricture with infection (N13.6)
Related codes in N13
- N13.0Hydronephrosis with ureteropelvic junction obstruction
- N13.2Hydronephrosis with renal and ureteral calculous obstruction
- N13.3Other and unspecified hydronephrosiscategory
- N13.4Hydroureter
- N13.5Crossing vessel and stricture of ureter w/o hydronephrosis
- N13.6Pyonephrosis
- N13.7Vesicoureteral-refluxcategory
- N13.8Other obstructive and reflux uropathy
- N13.9Obstructive and reflux uropathy, unspecified
Where this code sits
- Parent code
- N13
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ICD-10-CM FY2026. Centers for Medicare & Medicaid Services (CMS) / National Center for Health Statistics (NCHS), “2026 ICD-10-CM Code Descriptions in Tabular Order” (icd10cm_order_2026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.