All ICD10 Codes

N13.3

Non-Billable
ChapterN00–N99
Ranksubcategory
Official Description

Other and unspecified hydronephrosis

Use a more specific code (2 billable)
N13.30Unspecified hydronephrosisN13.39Other hydronephrosis
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 14: Diseases of the Genitourinary System (N00-N99).

Instructional Notes

Excludes1(Not coded here. Use a different code.)
  • hydronephrosis with infection (N13.6)
General instructions are available for the parent sections:
View CH14 NotesView N10-N16 NotesView N13 Notes

Clinical Hierarchy

BillableHas subcodes
CH14Diseases of the genitourinary system (N00-N99)
N10-N16Renal tubulo-interstitial diseases (N10-N16)
N13Obstructive and reflux uropathy
N13.3Other and unspecified hydronephrosisNot billable
N13.30Unspecified hydronephrosisBillable
N13.39Other hydronephrosisBillable

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N13.3:

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

MS-DRG Classification

2026

No direct MS-DRG triggers identified.

Cross Reference

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