Chapter XIV
Diseases of the genitourinary system
(N00-N99)

Rules Conventions GCS

Other diseases of urinary system
(N30-N39)

Excl.:
urinary infection (complicating):

N30 Cystitis

Coding-Hint
Use additional code, if desired, to identify infectious agent (B95-B98) or responsible external agent (Chapter XX).
Excl.:
prostatocystitis ( N41.3)
N30.0 Acute cystitis
Excl.:
irradiation cystitis ( N30.4)
trigonitis ( N30.3)
N30.1 Interstitial cystitis (chronic)
N30.2 Other chronic cystitis
N30.3 Trigonitis
Incl.:
Urethrotrigonitis
N30.4 Irradiation cystitis
N30.8 Other cystitis
Incl.:
Abscess of bladder
N30.9 Cystitis, unspecified

N31 Neuromuscular dysfunction of bladder, not elsewhere classified

Excl.:
cord bladder NOS ( G95.8)
due to spinal cord lesion ( G95.8)
neurogenic bladder due to cauda equina syndrome ( G83.4)
urinary incontinence:
N31.0 Uninhibited neuropathic bladder, not elsewhere classified
N31.1 Reflex neuropathic bladder, not elsewhere classified
N31.2 Flaccid neuropathic bladder, not elsewhere classified
Incl.:
Neuropathic bladder:
  • atonic (motor)(sensory)
  • autonomous
  • nonreflex
N31.8 Other neuromuscular dysfunction of bladder
N31.9 Neuromuscular dysfunction of bladder, unspecified
Incl.:
Neurogenic bladder dysfunction NOS

N32 Other disorders of bladder

Excl.:
calculus in bladder ( N21.0)
cystocele ( N81.1)
hernia or prolapse of bladder, female ( N81.1)
N32.0 Bladder-neck obstruction
Incl.:
Bladder-neck stenosis (acquired)
N32.1 Vesicointestinal fistula
Incl.:
Vesicorectal fistula
N32.2 Vesical fistula, not elsewhere classified
Excl.:
fistula between bladder and female genital tract ( N82.0-N82.1)
N32.3 Diverticulum of bladder
Incl.:
Diverticulitis of bladder
Excl.:
calculus in diverticulum of bladder ( N21.0)
N32.4 Rupture of bladder, nontraumatic
N32.8 Other specified disorders of bladder
Incl.:
Bladder:
  • calcified
  • contracted
  • overactive
N32.9 Bladder disorder, unspecified

N33* Bladder disorders in diseases classified elsewhere

N33.0* Tuberculous cystitis (A18.1†)
N33.8* Bladder disorders in other diseases classified elsewhere
Incl.:
Bladder disorder in schistosomiasis [bilharziasis] ( B65.-†)

N34 Urethritis and urethral syndrome

Coding-Hint
Use additional code (B95-B98), if desired, to identify infectious agent.
Excl.:
Reiter disease ( M02.3)
urethritis in diseases with a predominantly sexual mode of transmission ( A50-A64)
urethrotrigonitis ( N30.3)
N34.0 Urethral abscess
Incl.:
Abscess (of):
  • Cowper gland
  • Littré gland
  • periurethral
  • urethral (gland)
Excl.:
urethral caruncle ( N36.2)
N34.1 Nonspecific urethritis
Incl.:
Urethritis:
  • nongonococcal
  • nonvenereal
N34.2 Other urethritis
Incl.:
Meatitis, urethral
Ulcer of urethra (meatus)
Urethritis:
  • NOS
  • postmenopausal
N34.3 Urethral syndrome, unspecified

N35 Urethral stricture

Excl.:
postprocedural urethral stricture ( N99.1)
N35.0 Post-traumatic urethral stricture
Incl.:
Stricture of urethra as a sequela of:
  • childbirth
  • injury
N35.1 Postinfective urethral stricture, not elsewhere classified
N35.8 Other urethral stricture
N35.9 Urethral stricture, unspecified
Incl.:
Pinhole meatus NOS

N36 Other disorders of urethra

N36.0 Urethral fistula
Incl.:
False urethral passage
Fistula:
  • urethroperineal
  • urethrorectal
  • urinary NOS
Excl.:
fistula:
N36.1 Urethral diverticulum
N36.2 Urethral caruncle
N36.3 Prolapsed urethral mucosa
Incl.:
Prolapse of urethra
Urethrocele, male
Excl.:
urethrocele:
N36.8 Other specified disorders of urethra
N36.9 Urethral disorder, unspecified

N37* Urethral disorders in diseases classified elsewhere

N37.0* Urethritis in diseases classified elsewhere
Incl.:
Candidal urethritis ( B37.4†)
N37.8* Other urethral disorders in diseases classified elsewhere

N39 Other disorders of urinary system

Excl.:
haematuria:
  • NOS (R31)
  • recurrent and persistent (N02.-)
  • with specified morphological lesion (N02.-)
proteinuria NOS ( R80)
N39.0 Urinary tract infection, site not specified
Coding-Hint
Use additional code (B95-B98), if desired, to identify infectious agent.
N39.1 Persistent proteinuria, unspecified
Excl.:
complicating pregnancy, childbirth and the puerperium ( O11-O15)
with specified morphological lesion ( N06.-)
N39.2 Orthostatic proteinuria, unspecified
Excl.:
with specified morphological lesion ( N06.-)
N39.3 Stress incontinence
DCS.XIV.4
Coding-Hint
Use additional code (N32.8), if desired, to identify overactive bladder or detrusor muscle hyperactivity.
N39.4 Other specified urinary incontinence
Incl.:
  • Overflow
  • Reflex
  • Urge
  • incontinence
Coding-Hint
Use additional code (N32.8), if desired, to identify overactive bladder or detrusor muscle hyperactivity.
Excl.:
enuresis NOS ( R32)
urinary incontinence (of):
N39.8 Other specified disorders of urinary system
N39.9 Disorder of urinary system, unspecified