Version 2024

2024 ICD-10-CM Diagnosis Code N36.4

Urethral functional and muscular disorders

ICD-10-CM Code:
N36.4
ICD-10 Code for:
Urethral functional and muscular disorders
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • Diseases of the genitourinary system
    (N00–N99)
    • Other diseases of the urinary system
      (N30-N39)
      • Other disorders of urethra
        (N36)

N36.4 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of urethral functional and muscular disorders. The code is not specific and is NOT valid for the year 2024 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding Applicable to Urethral functional and muscular disorders

Non-specific codes like N36.4 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for urethral functional and muscular disorders:

  • Use N36.41 for Hypermobility of urethra - BILLABLE CODE

  • Use N36.42 for Intrinsic sphincter deficiency (ISD) - BILLABLE CODE

  • Use N36.43 for Combined hypermobility of urethra and intrinsic sphincter deficiency - BILLABLE CODE

  • Use N36.44 for Muscular disorders of urethra - BILLABLE CODE

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Use Additional Code

Use Additional Code
The “use additional code” indicates that a secondary code could be used to further specify the patient’s condition. This note is not mandatory and is only used if enough information is available to assign an additional code.
  • code to identify associated urinary stress incontinence N39.3

Patient Education


Urethral Disorders

The urethra is the tube that allows urine to pass out of the body. In men, it's a long tube that runs through the penis. It also carries semen in men. In women, it's short and is just above the vagina. Urethral problems may happen due to aging, illness, or injury. They include:

  • Urethral cancer - a rare cancer that happens more often in men
  • Urethral stricture - a narrowing of the opening of the urethra
  • Urethritis - inflammation of the urethra, sometimes caused by infection

Urethral problems may cause pain or difficulty passing urine. You may also have bleeding or discharge from the urethra.

Doctors diagnose urethral problems using different tests. These include urine tests, x-rays and an examination of the urethra with a scope called a cystoscope. Treatment depends on the cause of the problem. It may include medicines and, in severe cases, surgery.


[Learn More in MedlinePlus]

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.