ICD-10-CM Section · N30-N39
Other diseases of the urinary system
112 codes in this section
112
Total Codes
85
Billable
27
Header (Non-Billable)
9
Top-Level Codes
About Section N30-N39
Section N30-N39 (N30-N39) covers other diseases of the urinary system. It sits within the Diseases of the genitourinary system chapter (N00-N99). This section contains 112 ICD-10-CM codes, 85 billable diagnoses you can submit on a claim, and 27 non-billable header codes used to organize the hierarchy.
Codes are organized below by 3-character root. Click the root to see all subcodes underneath it, or click any individual code for full coverage data, payer policies, and linked CPT procedures.
Codes in N30-N39
Grouped by 3-character root code. Click any code for full detail.
N30
Cystitis
21 subcodes
| N30.0 | Acute cystitis | Header |
| N30.00 | Acute cystitis without hematuria | Billable |
| N30.01 | Acute cystitis with hematuria | Billable |
| N30.1 | Interstitial cystitis (chronic) | Header |
| N30.10 | Interstitial cystitis (chronic) without hematuria | Billable |
| N30.11 | Interstitial cystitis (chronic) with hematuria | Billable |
| N30.2 | Other chronic cystitis | Header |
| N30.20 | Other chronic cystitis without hematuria | Billable |
| N30.21 | Other chronic cystitis with hematuria | Billable |
| N30.3 | Trigonitis | Header |
| N30.30 | Trigonitis without hematuria | Billable |
| N30.31 | Trigonitis with hematuria | Billable |
| N30.4 | Irradiation cystitis | Header |
| N30.40 | Irradiation cystitis without hematuria | Billable |
| N30.41 | Irradiation cystitis with hematuria | Billable |
| N30.8 | Other cystitis | Header |
| N30.80 | Other cystitis without hematuria | Billable |
| N30.81 | Other cystitis with hematuria | Billable |
| N30.9 | Cystitis, unspecified | Header |
| N30.90 | Cystitis, unspecified without hematuria | Billable |
| N30.91 | Cystitis, unspecified with hematuria | Billable |
N31
Neuromuscular dysfunction of bladder, not elsewhere classified
5 subcodes
| N31.0 | Uninhibited neuropathic bladder, not elsewhere classified | Billable |
| N31.1 | Reflex neuropathic bladder, not elsewhere classified | Billable |
| N31.2 | Flaccid neuropathic bladder, not elsewhere classified | Billable |
| N31.8 | Other neuromuscular dysfunction of bladder | Billable |
| N31.9 | Neuromuscular dysfunction of bladder, unspecified | Billable |
N32
Other disorders of bladder
8 subcodes
| N32.0 | Bladder-neck obstruction | Billable |
| N32.1 | Vesicointestinal fistula | Billable |
| N32.2 | Vesical fistula, not elsewhere classified | Billable |
| N32.3 | Diverticulum of bladder | Billable |
| N32.8 | Other specified disorders of bladder | Header |
| N32.81 | Overactive bladder | Billable |
| N32.89 | Other specified disorders of bladder | Billable |
| N32.9 | Bladder disorder, unspecified | Billable |
N33
Bladder disorders in diseases classified elsewhere
0 subcodes
N34
Urethritis and urethral syndrome
4 subcodes
| N34.0 | Urethral abscess | Billable |
| N34.1 | Nonspecific urethritis | Billable |
| N34.2 | Other urethritis | Billable |
| N34.3 | Urethral syndrome, unspecified | Billable |
N35
Urethral stricture
38 subcodes
| N35.0 | Post-traumatic urethral stricture | Header |
| N35.01 | Post-traumatic urethral stricture, male | Header |
| N35.010 | Post-traumatic urethral stricture, male, meatal | Billable |
| N35.011 | Post-traumatic bulbous urethral stricture | Billable |
| N35.012 | Post-traumatic membranous urethral stricture | Billable |
| N35.013 | Post-traumatic anterior urethral stricture | Billable |
| N35.014 | Post-traumatic urethral stricture, male, unspecified | Billable |
| N35.016 | Post-traumatic urethral stricture, male, overlapping sites | Billable |
| N35.02 | Post-traumatic urethral stricture, female | Header |
| N35.021 | Urethral stricture due to childbirth | Billable |
| N35.028 | Other post-traumatic urethral stricture, female | Billable |
| N35.1 | Postinfective urethral stricture, not elsewhere classified | Header |
| N35.11 | Postinfective urethral stricture, not elsewhere classified, male | Header |
| N35.111 | Postinfective urethral stricture, not elsewhere classified, male, meatal | Billable |
| N35.112 | Postinfective bulbous urethral stricture, not elsewhere classified, male | Billable |
| N35.113 | Postinfective membranous urethral stricture, not elsewhere classified, male | Billable |
| N35.114 | Postinfective anterior urethral stricture, not elsewhere classified, male | Billable |
| N35.116 | Postinfective urethral stricture, not elsewhere classified, male, overlapping sites | Billable |
| N35.119 | Postinfective urethral stricture, not elsewhere classified, male, unspecified | Billable |
| N35.12 | Postinfective urethral stricture, not elsewhere classified, female | Billable |
| N35.8 | Other urethral stricture | Header |
| N35.81 | Other urethral stricture, male | Header |
| N35.811 | Other urethral stricture, male, meatal | Billable |
| N35.812 | Other bulbous urethral stricture, male | Billable |
| N35.813 | Other membranous urethral stricture, male | Billable |
| N35.814 | Other anterior urethral stricture, male | Billable |
| N35.816 | Other urethral stricture, male, overlapping sites | Billable |
| N35.819 | Other urethral stricture, male, unspecified site | Billable |
| N35.82 | Other urethral stricture, female | Billable |
| N35.9 | Urethral stricture, unspecified | Header |
| N35.91 | Urethral stricture, unspecified, male | Header |
| N35.911 | Unspecified urethral stricture, male, meatal | Billable |
| N35.912 | Unspecified bulbous urethral stricture, male | Billable |
| N35.913 | Unspecified membranous urethral stricture, male | Billable |
| N35.914 | Unspecified anterior urethral stricture, male | Billable |
| N35.916 | Unspecified urethral stricture, male, overlapping sites | Billable |
| N35.919 | Unspecified urethral stricture, male, unspecified site | Billable |
| N35.92 | Unspecified urethral stricture, female | Billable |
N36
Other disorders of urethra
11 subcodes
| N36.0 | Urethral fistula | Billable |
| N36.1 | Urethral diverticulum | Billable |
| N36.2 | Urethral caruncle | Billable |
| N36.4 | Urethral functional and muscular disorders | Header |
| N36.41 | Hypermobility of urethra | Billable |
| N36.42 | Intrinsic sphincter deficiency (ISD) | Billable |
| N36.43 | Combined hypermobility of urethra and intrinsic sphincter deficiency | Billable |
| N36.44 | Muscular disorders of urethra | Billable |
| N36.5 | Urethral false passage | Billable |
| N36.8 | Other specified disorders of urethra | Billable |
| N36.9 | Urethral disorder, unspecified | Billable |
N37
Urethral disorders in diseases classified elsewhere
0 subcodes
N39
Other disorders of urinary system
16 subcodes
| N39.0 | Urinary tract infection, site not specified | Billable |
| N39.3 | Stress incontinence (female) (male) | Billable |
| N39.4 | Other specified urinary incontinence | Header |
| N39.41 | Urge incontinence | Billable |
| N39.42 | Incontinence without sensory awareness | Billable |
| N39.43 | Post-void dribbling | Billable |
| N39.44 | Nocturnal enuresis | Billable |
| N39.45 | Continuous leakage | Billable |
| N39.46 | Mixed incontinence | Billable |
| N39.49 | Other specified urinary incontinence | Header |
| N39.490 | Overflow incontinence | Billable |
| N39.491 | Coital incontinence | Billable |
| N39.492 | Postural (urinary) incontinence | Billable |
| N39.498 | Other specified urinary incontinence | Billable |
| N39.8 | Other specified disorders of urinary system | Billable |
| N39.9 | Disorder of urinary system, unspecified | Billable |
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Verified against the CMS 2026 code set on May 31, 2026.
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