All ICD10 Codes

N30-N39

Non-Billable
ChapterN00–N99
Rankblock
Description

Other diseases of the urinary system (N30-N39)

About ICD-10-CM code N30-N39

N30-N39 is the ICD-10-CM diagnosis code for Other diseases of the urinary system (N30-N39). It sits in N00-N99 Diseases of the Genitourinary System. N30-N39 is not billable on its own, coders must choose one of its more specific child codes instead.

Use a more specific code (2 billable, 7 non-billable)
N30Cystitishas subcodesN31Neuromuscular dysfunction of bladder, not elsewhere classifiedhas subcodesN32Other disorders of bladderhas subcodesN33Bladder disorders in diseases classified elsewhereN34Urethritis and urethral syndromehas subcodesN35Urethral stricturehas subcodesN36Other disorders of urethrahas subcodesN37Urethral disorders in diseases classified elsewhereN39Other disorders of urinary systemhas subcodes
Metadata & Insights
  • •Non-billable category (requires more specific sub-code).
  • •Chapter 14: Diseases of the Genitourinary System (N00-N99).

CH14 Parent Instructions

Excludes2(Not included here. Code separately if applicable.)
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Instructional Notes

Excludes2(Not included here. Code separately if applicable.)
  • urinary infection (complicating):
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)

Clinical Hierarchy

BillableHas subcodes
CH14Diseases of the genitourinary system (N00-N99)
N30-N39Other diseases of the urinary system (N30-N39)Not billable
N30CystitisSubcodes
N31Neuromuscular dysfunction of bladder, not elsewhere classifiedSubcodes
N32Other disorders of bladderSubcodes
N33Bladder disorders in diseases classified elsewhereBillable
N34Urethritis and urethral syndromeSubcodes
N35Urethral strictureSubcodes
N36Other disorders of urethraSubcodes
N37Urethral disorders in diseases classified elsewhereBillable
N39Other disorders of urinary systemSubcodes

Applicable Ancestor Context

The following parent sections contain instructions or notes that apply to N30-N39:

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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