ICD-10-CM › N00-N99 › N30-N39 › N31 Neuromuscular dysfunction of... › N31.9

Valid for claims with a date of service in the current code year.

Valid FY2016 onwards.

What has happened to this code

Official coding rules

Published by CDC for FY2027. A rule attached to a category binds every code beneath it, so the rules inherited from this code's ancestors are shown with the code they come from.

Inherited from N31 Neuromuscular dysfunction of bladder, not elsewhere classified

Excludes1 - never coded here

• 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 code

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

Inherited from the N30-N39 section Other diseases of the urinary system (N30-N39)

Excludes2 - not included here

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

How CDC's index refers to this code

Wording from the official alphabetic index. Much of it appears nowhere in the code description, which is why a search for the everyday phrase so often finds nothing.

• Malfunction
• Neurogenic > bladder
• Dysfunction > bladder > neurogenic NOS
• Neurogenic > bladder
• Dysfunction > bladder
• Neuropathy, neuropathic > bladder
• Disorder > bladder > functional NEC
• Dysfunction > bladder > neuromuscular NOS

Codes in the same group

Code	Description	Status
N31.0	Uninhibited neuropathic bladder, not elsewhere classified	Valid
N31.1	Reflex neuropathic bladder, not elsewhere classified	Valid
N31.2	Flaccid neuropathic bladder, not elsewhere classified	Valid
N31.8	Other neuromuscular dysfunction of bladder	Valid