N31.8
✓ Billable
Other neuromuscular dysfunction of bladder
ICD-10-CM · FY2026 · Diseases of the Genitourinary System
Code
N31.8
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Diseases of the Genitourinary System
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code N31.8?
ICD-10-CM code N31.8 represents Other neuromuscular dysfunction of bladder. It is a billable diagnosis code in the Diseases of the Genitourinary System chapter, effective October 1, 2025 – September 30, 2026.
Is N31.8 billable?
Yes. N31.8 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is N31.8 in?
N31.8 belongs to the Diseases of the Genitourinary System chapter (N00–N99) of ICD-10-CM.
Related codes in the N31 category
N31
Neuromuscular dysfunction of bladder, not elsewhere classified
Non-billable
N31.0
Uninhibited neuropathic bladder, not elsewhere classified
Billable
N31.1
Reflex neuropathic bladder, not elsewhere classified
Billable
N31.2
Flaccid neuropathic bladder, not elsewhere classified
Billable
N31.9
Neuromuscular dysfunction of bladder, unspecified
Billable
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