2021 ICD-10-CM Code N35.9

Urethral stricture, unspecified

Version 2021
Replaced Code
Non-Billable Code
Unspecified Code

Not Valid for Submission

N35.9 is a "header" nonspecific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of urethral stricture, unspecified. The code is NOT valid for the year 2021 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.

Unspecified diagnosis codes like N35.9 are acceptable when clinical information is unknown or not available about a particular condition. Although a more specific code is preferable, unspecified codes should be used when such codes most accurately reflect what is known about a patient's condition. Specific diagnosis codes should not be used if not supported by the patient's medical record.

ICD-10:N35.9
Short Description:Urethral stricture, unspecified
Long Description:Urethral stricture, unspecified

Code Classification

Specific Coding for Urethral stricture, unspecified

Header codes like N35.9 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10 codes with a higher level of specificity when coding for urethral stricture, unspecified:

  • N35.91 - ... male
  • N35.911 - Unspecified urethral stricture, male, meatal
  • 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

Replaced Code

This code was replaced in the 2021 ICD-10 code set with the code(s) listed below. The National Center for Health Statistics (NCHS) has published an update to the ICD-10-CM diagnosis codes which became effective October 1, 2020. This code was replaced for the FY 2021 (October 1, 2020 - September 30, 2021).


  • N35.911 - Unspecified urethral stricture, male, meatal
  • N35.911 - Unspecified urethral stricture, male, meatal
  • N35.912 - Unspecified bulbous urethral stricture, male
  • N35.912 - Unspecified bulbous urethral stricture, male
  • N35.913 - Unspecified membranous urethral stricture, male
  • N35.913 - Unspecified membranous urethral stricture, male
  • N35.914 - Unspecified anterior urethral stricture, male
  • N35.914 - Unspecified anterior urethral stricture, male
  • N35.916 - Unspecified urethral stricture, male, overlapping sites
  • N35.916 - Unspecified urethral stricture, male, overlapping sites
  • N35.919 - Unspecified urethral stricture, male, unspecified site
  • N35.919 - Unspecified urethral stricture, male, unspecified site
  • N35.92 - Unspecified urethral stricture, female
  • N35.92 - Unspecified urethral stricture, female

Clinical Information

Convert N35.9 to ICD-9 Code

Information for Patients


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 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 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 (First year ICD-10-CM implemented into the HIPAA code set)