N33

Bladder disorders in diseases classified elsewhere

Billable / specific

N33 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Excludes1

Not coded here — never report together with this code.

  • bladder disorder in syphilis (A52.76)
  • bladder disorder in tuberculosis (A18.12)
  • candidal cystitis (B37.41)
  • chlamydial cystitis (A56.01)
  • cystitis in gonorrhea (A54.01)
  • cystitis in neurogenic bladder (N31.-)
  • diphtheritic cystitis (A36.85)
  • syphilitic cystitis (A52.76)
  • trichomonal cystitis (A59.03)

Excludes2

Not included here — may be reported together when both conditions exist.

  • 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)
  • urinary infection (complicating):
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)

Code first

Sequence the underlying condition first.

  • underlying disease, such as:
  • schistosomiasis (B65.0-B65.9)

Related codes

  • N30CystitisHeader
  • N31Neuromuscular dysfunction of bladder, not elsewhere classifiedHeader
  • N32Other disorders of bladderHeader
  • N34Urethritis and urethral syndromeHeader
  • N35Urethral strictureHeader
  • N36Other disorders of urethraHeader
  • N37Urethral disorders in diseases classified elsewhereBillable
  • N39Other disorders of urinary systemHeader

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