ICD-10-CM Codes
N00-N99 Diseases of the genitourinary system
N30-N39 Other diseases of the urinary system
N31- Neuromuscular dysfunction of bladder, not elsewhere classified
2021 ICD-10-CM Diagnosis Code N31.9

2021 ICD-10-CM Diagnosis Code N31.9

Neuromuscular dysfunction of bladder, unspecified

2016

2017

2018

2019

2020

2021

Billable/Specific Code

N31.9 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
The 2021 edition of ICD-10-CM N31.9 became effective on October 1, 2020.
This is the American ICD-10-CM version of N31.9 - other international versions of ICD-10 N31.9 may differ.

Applicable To

Neurogenic bladder dysfunction NOS

The following code(s) above N31.9 contain annotation back-references

Annotation Back-References

In this context, annotation back-references refer to codes that contain:

Applicable To annotations, or
Code Also annotations, or
Code First annotations, or
Excludes1 annotations, or
Excludes2 annotations, or
Includes annotations, or
Note annotations, or
Use Additional annotations

that may be applicable to N31.9:

N00-N99
2021 ICD-10-CM Range N00-N99
Diseases of the genitourinary system
Type 2 Excludes
- 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)
Diseases of the genitourinary system
N30-N39
2021 ICD-10-CM Range N30-N39
Other diseases of the urinary system
Type 1 Excludes
- urinary infection (complicating):
- abortion or ectopic or molar pregnancy (O00-O07, O08.8)
- pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)
Other diseases of the urinary system
N31
ICD-10-CM Diagnosis Code N31
Neuromuscular dysfunction of bladder, not elsewhere classified
Type 1 Excludes
- 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 to identify any associated urinary incontinence (N39.3-N39.4-)
Neuromuscular dysfunction of bladder, not elsewhere classified

Approximate Synonyms

Detrusor instability
Detrusor instability of bladder
Functional disorder of bladder
Neurogenic bladder
Neurogenic bladder as late effect of cerebrovascular accident
Neurogenic bladder as late effect of poliomyelitis
Neurogenic bladder due to late effects of acute polio
Neurogenic bladder due to quadriplegia
Neurogenic bladder due to spina bifida
Neurogenic bladder due to stroke
Noncompliant bladder
Noncompliant neuropathic bladder
Paraplegia (paralysis of legs) with neurogenic bladder
Paraplegia with neurogenic bladder
Quadriplegia with neurogenic bladder

ICD-10-CM N31.9 is grouped within Diagnostic Related Group(s) (MS-DRG v38.0):

698 Other kidney and urinary tract diagnoses with mcc
699 Other kidney and urinary tract diagnoses with cc
700 Other kidney and urinary tract diagnoses without cc/mcc

Convert N31.9 to ICD-9-CM

Code History

2016 (effective 10/1/2015): New code (first year of non-draft ICD-10-CM)
2017 (effective 10/1/2016): No change
2018 (effective 10/1/2017): No change
2019 (effective 10/1/2018): No change
2020 (effective 10/1/2019): No change
2021 (effective 10/1/2020): No change

Code annotations containing back-references to N31.9:

Type 1 Excludes: G83.4
, G95.8

ICD-10-CM Diagnosis Code G83.4
Cauda equina syndrome
Applicable To
- Neurogenic bladder due to cauda equina syndrome
Type 1 Excludes
- cord bladder NOS (G95.89)
- neurogenic bladder NOS (N31.9)
ICD-10-CM Diagnosis Code G95.8
Other specified diseases of spinal cord
Type 1 Excludes
- neurogenic bladder NOS (N31.9)
- neurogenic bladder due to cauda equina syndrome (G83.4)
- neuromuscular dysfunction of bladder without spinal cord lesion (N31.-)

Diagnosis Index entries containing back-references to N31.9:

Disorder (of) - see also Disease
- bladder N32.9
  ICD-10-CM Diagnosis Code N32.9
  Bladder disorder, unspecified
  2016 2017 2018 2019 2020 2021 Billable/Specific Code
  - functional NEC N31.9
Dysfunction
- bladder N31.9
  - neuromuscular NOS N31.9
Neurogenic - see also condition
- bladder N31.9 - see also Dysfunction, bladder, neuromuscular
Neuropathy, neuropathic G62.9
ICD-10-CM Diagnosis Code G62.9
Polyneuropathy, unspecified
Applicable To
Neuropathy NOS
- bladder N31.9

ICD-10-CM Codes Adjacent To N31.9

N30.80 …… without hematuria

N30.81 …… with hematuria

N30.9 Cystitis, unspecified

N30.90 …… without hematuria

N30.91 …… with hematuria

N31 Neuromuscular dysfunction of bladder, not elsewhere classified

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

N31.9 Neuromuscular dysfunction of bladder, unspecified

N32 Other disorders of bladder

N32.0 Bladder-neck obstruction

N32.1 Vesicointestinal fistula

N32.2 Vesical fistula, not elsewhere classified

N32.3 Diverticulum of bladder

N32.8 Other specified disorders of bladder

N32.81 Overactive bladder

N32.89 Other specified disorders of bladder

N32.9 Bladder disorder, unspecified

N33 Bladder disorders in diseases classified elsewhere

Reimbursement claims with a date of service on or after October 1, 2015 require the use of ICD-10-CM codes.

2021 ICD-10-CM Diagnosis Code N31.9

Neuromuscular dysfunction of bladder, unspecified

Diseases of the genitourinary system

Other diseases of the urinary system

Neuromuscular dysfunction of bladder, not elsewhere classified

Cauda equina syndrome

Other specified diseases of spinal cord

Bladder disorder, unspecified

Polyneuropathy, unspecified