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N31Non-billableSave

N31 - Neuromuscular dysfunction of bladder, not elsewhere classified

ICD-10-CM Chapter 14: Diseases of the genitourinary system · N30-N39 Other diseases of the urinary system (N30-N39) · Top-level category · FY2027

Coding Guidance

N31 is a non-billable heading. Report one of the 5 more specific codes below.

Includes, Excludes and Coding Notes

Excludes 1 — Not Coded HereFrom N31

Mutually exclusive: these conditions are never reported together with this code.

  • cord bladder NOS (G95.89)
  • neurogenic bladder due to cauda equina syndrome (G83.4)
  • neuromuscular dysfunction due to spinal cord lesion (G95.89)
Use Additional CodeFrom N31

Add a secondary code to identify the associated condition or cause when it is documented.

  • code to identify any associated urinary incontinence (N39.3-N39.4-)
Excludes 2 — Not Included HereFrom N30-N39 Other diseases of the urinary system (N30-N39)

Not part of this code; report both codes when the patient has both conditions.

  • urinary infection (complicating):
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)
Excludes 2 — Not Included HereFrom Chapter N00-N99

Not part of this code; report both codes when the patient has both conditions.

  • 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)

More Specific Codes (5)

N31.0Uninhibited neuropathic bladder, not elsewhere classified→N31.1Reflex neuropathic bladder, not elsewhere classified→N31.2Flaccid neuropathic bladder, not elsewhere classified→N31.8Other neuromuscular dysfunction of bladder→N31.9Neuromuscular dysfunction of bladder, unspecified→

Related condition guides

Documentation requirements, coding pitfalls and FAQs for conditions coded with N31.