2021 ICD-10-CM Diagnosis Code N36.4

Urethral functional and muscular disorders

    2016 2017 2018 2019 2020 2021 Non-Billable/Non-Specific Code
  • N36.4 should not be used for reimbursement purposes as there are multiple codes below it that contain a greater level of detail.
  • The 2021 edition of ICD-10-CM N36.4 became effective on October 1, 2020.
  • This is the American ICD-10-CM version of N36.4 - other international versions of ICD-10 N36.4 may differ.
Use Additional
Use Additional Help
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation. In most cases the manifestation codes will have in the code title, "in diseases classified elsewhere." Codes with this title are a component of the etiology/manifestation convention. The code title indicates that it is a manifestation code. "In diseases classified elsewhere" codes are never permitted to be used as first listed or principle diagnosis codes. They must be used in conjunction with an underlying condition code and they must be listed following the underlying condition.
  • code to identify associated urinary stress incontinence (
    ICD-10-CM Diagnosis Code N39.3

    Stress incontinence (female) (male)

      2016 2017 2018 2019 2020 2021 Billable/Specific Code
    Code Also
    • any associated overactive bladder (N32.81)
    Type 1 Excludes
    N39.3
    )
The following code(s) above N36.4 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 N36.4:
  • 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
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
ICD-10-CM Codes Adjacent To N36.4
N35.912 Unspecified bulbous urethral stricture, male
N35.913 Unspecified membranous urethral stricture, male
N35.914 Unspecified anterior urethral stricture, male
N35.916 Unspecified urethral stricture, male, overlapping sites
N35.919 Unspecified urethral stricture, male, unspecified site
N35.92 Unspecified urethral stricture, female
N36 Other disorders of urethra
N36.0 Urethral fistula
N36.1 Urethral diverticulum
N36.2 Urethral caruncle
N36.4 Urethral functional and muscular disorders
N36.41 Hypermobility of urethra
N36.42 Intrinsic sphincter deficiency (ISD)
N36.43 Combined hypermobility of urethra and intrinsic sphincter deficiency
N36.44 Muscular disorders of urethra
N36.5 Urethral false passage
N36.8 Other specified disorders of urethra
N36.9 Urethral disorder, unspecified
N37 Urethral disorders in diseases classified elsewhere
N39 Other disorders of urinary system
N39.0 Urinary tract infection, site not specified

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