N13.1

Billable
ChapterN00–N99
Ranksubcategory
Official Description

Hydronephrosis with ureteral stricture, not elsewhere classified

Metadata & Insights
  • Billable/specific code (valid for reimbursement).
  • Chapter 14: Diseases of the Genitourinary System (N00-N99).

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • Hydronephrosis with ureteral stricture with infection (N13.6)
General instructions are available for the parent sections:

Clinical Hierarchy

BillableHas subcodes
CH14Diseases of the genitourinary system (N00-N99)
N10-N16Renal tubulo-interstitial diseases (N10-N16)
N13Obstructive and reflux uropathy
N13.1Hydronephrosis with ureteral stricture, not elsewhere classifiedBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N13.1:

categoryN13
Obstructive and reflux uropathy
View context instructions
blockN10-N16
Renal tubulo-interstitial diseases (N10-N16)
View context instructions
chapterCH14
Diseases of the genitourinary system (N00-N99)
View context instructions

Code History

  • FY 2016: Superseded by N13.0

MS-DRG Classification

2026 v43.1

Cross Reference

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