Alphabetic Index FY2027

N31

Neuromuscular dysfunction of bladder, not elsewhere classified

FY2027Chapter 14: Diseases of the genitourinary system/N30–N39 Other diseases of the urinary system

Non-billable headerNot valid on its own. Use one of the more specific codes under it.

N31 is a non-billable ICD-10-CM code category for neuromuscular dysfunction of bladder, not elsewhere classified. Report a more specific code from it instead. It is part of the FY2027 code set, effective October 1, 2026. The more specific codes under it are N31.0 Uninhibited neuropathic bladder, not elsewhere classified; N31.1 Reflex neuropathic bladder, not elsewhere classified; N31.2 Flaccid neuropathic bladder, not elsewhere classified; N31.8 Other neuromuscular dysfunction of bladder and 1 more. Its coding notes include a Use additional code instruction, 3 Excludes1 entries and 11 Excludes2 entries.

Use additional code

Add the listed code as a secondary code, if known.

This code
  • code to identify any associated urinary incontinence (N39.3-N39.4-)

Excludes1

Not coded here. The listed conditions generally should not be reported together.

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)

Excludes2

Not included here. Both codes may be reported if the patient has both conditions.

Also from chapter/block level (11 notes)
Inherited from N30–N39 Other diseases of the urinary system
  • urinary infection (complicating):
    • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
    • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)
Inherited from Chapter 14 Diseases of the genitourinary system
  • 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 under N31 5