DxCodebookFY2027 · Oct 1, 2026 – Sep 30, 2027

Category · FY2027

N31 Neuromuscular dysfunction of bladder, not elsewhere classified

  • Header · not billable

N31 is not billable. The category heads 5 billable codes in FY2027: the 5 codes directly below it.

Index → code

  • Cystoplegia → N31.2
  • Neurogenicbladder → N31.9
  • Relaxationvesical → N31.2

Where it sits

  1. Chapter 14 Diseases of the genitourinary system (N00-N99)
  2. N30-N39 Other diseases of the urinary system (N30-N39)
  3. N31 Neuromuscular dysfunction of bladder, not elsewhere classified
Billable codes
5
Subdivisions
5
CC / MCC codes
0 / 0
HCC V28 codes
0
New FY2027
0
Index entries
30

Codes in N31

  1. N31.0
    Uninhibited neuropathic bladder, not elsewhere classified
    Billable
  2. N31.1
    Reflex neuropathic bladder, not elsewhere classified
    Billable
  3. N31.2
    Flaccid neuropathic bladder, not elsewhere classified
    Billable
    Inclusion terms 3

    Inclusion terms

    • Atonic (motor) (sensory) neuropathic bladder
    • Autonomous neuropathic bladder
    • Nonreflex neuropathic bladder
  4. N31.8
    Other neuromuscular dysfunction of bladder
    Billable
  5. N31.9
    Neuromuscular dysfunction of bladder, unspecified
    Billable
    Inclusion terms 1

    Inclusion terms

    • Neurogenic bladder dysfunction NOS

Sources of each column.

Instructions

At N31

Excludes1

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

Use additional code

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

Notes that also apply

Block N30-N39 instructions (Excludes2 3): printed on the block page.

Chapter 14 instructions (Excludes2 8): printed on the chapter 14 page.

Index entries

  • Cystoplegia → N31.2
  • Atonia, atony, atonicbladder (sphincter) (neurogenic) → N31.2
  • Autonomic, autonomousbladder (neurogenic) → N31.2
  • Hypotonia, hypotonicity, hypotonybladder → N31.2
  • Inertiabladder (neurogenic) → N31.2
  • Inertiavesical (neurogenic) → N31.2
  • Paralysis, paralytic (complete) (incomplete)bladder (neurogenic) (sphincter) → N31.2
  • Paresisvesical NEC → N31.2
  • Relaxationbladder (sphincter) → N31.2
  • Relaxationvesical → N31.2
  • Hypertony, hypertonia, hypertonicitybladder → N31.8
  • Dysfunctionbladder → N31.9
  • Neurogenicbladder → N31.9
  • Neuropathy, neuropathicbladder → N31.9
  • Neuropathy, neuropathicbladderuninhibited → N31.0
  • Neuropathy, neuropathicbladderreflex → N31.1
  • Neuropathy, neuropathicbladderatonic (motor) (sensory) → N31.2
  • Neuropathy, neuropathicbladderautonomous → N31.2
  • Neuropathy, neuropathicbladderflaccid → N31.2
  • Neuropathy, neuropathicbladdernonreflex → N31.2
  • Atrophy, atrophic (of)bladderneurogenic → N31.8
  • Disorder (of)bladderfunctional NEC → N31.9
  • Dysfunctionbladderneuromuscular NOS → N31.9
  • Dysfunctionbladderneuromuscular NOSuninhibited → N31.0
  • Dysfunctionbladderneuromuscular NOSreflex → N31.1
  • Dysfunctionbladderneuromuscular NOSatonic (motor) (sensory) → N31.2
  • Dysfunctionbladderneuromuscular NOSautonomous → N31.2
  • Dysfunctionbladderneuromuscular NOSflaccid → N31.2
  • Dysfunctionbladderneuromuscular NOSnonreflex → N31.2
  • Dysfunctionbladderneuromuscular NOSspecified NEC → N31.8

NCHS Alphabetic Index. Index first, then the Tabular List.

Hierarchy