U.S. ICD-10-CM · FY 2027

N31 ICD-10-CM Code: Neuromuscular dysfunction of bladder, not elsewhere classified

A clear reference for the official code description, hierarchy, and related coding information from the FY 2027 U.S. release.

Code definition

Official description

N31

Neuromuscular dysfunction of bladder, not elsewhere classified

ICD-10-CM diagnosis code · United States clinical modification

Classification

Where N31 sits

  1. 1

    Chapter 14

    Diseases of the genitourinary system (N00-N99)

  2. 2

    Section

    Other diseases of the urinary system (N30-N39)

  3. 3

    Category N31

    Neuromuscular dysfunction of bladder, not elsewhere classified

  4. 4

    Code N31

    Neuromuscular dysfunction of bladder, not elsewhere classified

More specific choices

Codes under N31

N31 is a non-billable category. Choose the child code that best matches the documented diagnosis.

Documentation details

Notes for this code

Inclusion terms

No inclusion terms are listed for N31.

Code first

No “code first” instruction is listed for N31.

Use additional code

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

Excludes1

Conditions that should not be 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)

Excludes2

Conditions not included here that may be reported separately when present.

No Excludes2 note is listed for N31.

Transparency

Source and release

Data release

U.S. ICD-10-CM · FY 2027

Effective date

Oct 1, 2026

This reference is generated from Vero’s ICD-10-CM description, hierarchy, and code-note dataset. The visible content and structured data share that source.

Review the CDC/NCHS ICD-10-CM source

Code-specific guidance

Frequently asked questions

What does ICD-10-CM code N31 mean?

N31 is the FY 2027 U.S. ICD-10-CM code for “Neuromuscular dysfunction of bladder, not elsewhere classified.”

Is N31 a billable or specific ICD-10-CM code?

No. N31 has more specific child codes in the FY 2027 reference data. Select the code that matches the documentation and confirm the active code set and payer requirements.

Where is N31 located in ICD-10-CM?

N31 is listed in Chapter 14, Diseases of the genitourinary system (N00-N99), within Other diseases of the urinary system (N30-N39) (N30–N39), under category N31, Neuromuscular dysfunction of bladder, not elsewhere classified.

What coding notes are listed for N31?

No inclusion terms are listed for N31 in this reference record. No code-first instruction is listed. Additional-code instructions: code to identify any associated urinary incontinence (N39.3-N39.4-). Excludes1 notes: cord bladder NOS (G95.89); neurogenic bladder due to cauda equina syndrome (G83.4); neuromuscular dysfunction due to spinal cord lesion (G95.89). No Excludes2 note is listed.

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