2020 ICD-10-CM Diagnosis Code N32.81

Overactive bladder

    2016 2017 2018 2019 2020 Billable/Specific Code
  • N32.81 is a billable/specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes.
  • The 2020 edition of ICD-10-CM N32.81 became effective on October 1, 2019.
  • This is the American ICD-10-CM version of N32.81 - other international versions of ICD-10 N32.81 may differ.
Applicable To
  • Detrusor muscle hyperactivity
Type 1 Excludes
Type 1 Excludes Help
A type 1 excludes note is a pure excludes. It means "not coded here". A type 1 excludes note indicates that the code excluded should never be used at the same time as N32.81. A type 1 excludes note is for used for when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
  • frequent urination due to specified bladder condition- code to condition
The following code(s) above N32.81 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 N32.81:
  • N00-N99
    2020 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
    2020 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
  • N32
    ICD-10-CM Diagnosis Code N32

    Other disorders of bladder

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Type 2 Excludes
    • calculus of bladder (N21.0)
    • cystocele (N81.1-)
    • hernia or prolapse of bladder, female (N81.1-)
    Other disorders of bladder
Approximate Synonyms
  • Bladder muscle dysfunction - overactive
  • Detrusor hyperreflexia
  • Detrusor hyperreflexia of bladder
Clinical Information
  • Symptom of overactive detrusor muscle of the urinary bladder that contracts with abnormally high frequency and urgency. Overactive bladder is characterized by the frequent feeling of needing to urinate during the day, during the night, or both. Urinary incontinence may or may not be present.
ICD-10-CM N32.81 is grouped within Diagnostic Related Group(s) (MS-DRG v37.0):
  • 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 N32.81 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
Code annotations containing back-references to N32.81:
  • Code Also: N39.3
    , N39.4
    ICD-10-CM Diagnosis Code N39.3

    Stress incontinence (female) (male)

      2016 2017 2018 2019 2020 Billable/Specific Code
    Code Also
    • any associated overactive bladder (N32.81)
    Type 1 Excludes
    ICD-10-CM Diagnosis Code N39.4

    Other specified urinary incontinence

      2016 2017 2018 2019 2020 Non-Billable/Non-Specific Code
    Code Also
    • any associated overactive bladder (N32.81)
    Type 1 Excludes
    • enuresis NOS (R32)
    • functional urinary incontinence (R39.81)
    • urinary incontinence associated with cognitive impairment (R39.81)
    • urinary incontinence NOS (R32)
    • urinary incontinence of nonorganic origin (F98.0)

Diagnosis Index entries containing back-references to N32.81:
  • Hyperactive, hyperactivity F90.9
    ICD-10-CM Diagnosis Code F90.9

    Attention-deficit hyperactivity disorder, unspecified type

      2016 2017 2018 2019 2020 Billable/Specific Code
    Applicable To
    • Attention-deficit hyperactivity disorder of childhood or adolescence NOS
    • Attention-deficit hyperactivity disorder NOS
    • detrusor muscle N32.81
  • Overactive - see also Hyperfunction
    • bladder N32.81

ICD-10-CM Codes Adjacent To N32.81
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
N34 Urethritis and urethral syndrome
N34.0 Urethral abscess
N34.1 Nonspecific urethritis
N34.2 Other urethritis
N34.3 Urethral syndrome, unspecified
N35 Urethral stricture
N35.0 Post-traumatic urethral stricture

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