2026 ICD-10-CM Diagnosis Code N35Urethral stricture

ICD-10-CM Codes›N00–N99›N30-N39›N35

ICD-10-CM N35
CMSSource: CMS FY 2026 ICD-10-CM dataset · Effective Oct 1, 2025 – Sep 30, 2026

N35 is a non-billable ICD-10-CM category code for urethral stricture, so it cannot be submitted on claims. Use a more specific code from this category instead, such as N35.010, N35.011, N35.012, and N35.013.

Code Identity

ICD-10-CM Code
N35
Billable Status
No — Non-Billable Category
Code Describes
Urethral stricture
Short Description
Urethral stricture
Same as the full description in the CMS dataset.
Chapter
N30-N39
Other diseases of the urinary system

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN30-N39Other diseases of the urinary system
CategoryN35Urethral stricture
This CodeN35Urethral stricture

Specific Coding for Urethral strictureOverview

Non-specific codes like N35 require more characters. Use one of these billable codes instead:

  • N35.0 for Post-traumatic urethral stricture

  • N35.01 for Post-traumatic urethral stricture, male

  • N35.02 for Post-traumatic urethral stricture, female

  • N35.1 for Postinfective urethral stricture, not elsewhere classified

  • N35.11 for Postinfective urethral stricture, not elsewhere classified, male

  • Use N35.12 for Postinfective urethral stricture, not elsewhere classified, female

  • N35.8 for Other urethral stricture

  • N35.81 for Other urethral stricture, male

  • Use N35.82 for Other urethral stricture, female

  • N35.9 for Urethral stricture, unspecified

  • N35.91 for Urethral stricture, unspecified, male

  • Use N35.92 for Unspecified urethral stricture, female

Tabular List NotesGuidance

Coding notes and annotation back-references applicable to this code.

Type 1 Excludes

  • congenital urethral stricture Q64.3
  • postprocedural urethral stricture N99.1

Clinical InformationClinical

  • Urethral Stricture

    narrowing of any part of the urethra. it is characterized by decreased urinary stream and often other obstructive voiding symptoms.

  • Urethra

    a tube that transports urine from the urinary bladder to the outside of the body in both the sexes. it also has a reproductive function in the male by providing a passage for sperm.

Patient EducationClinical

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:

Read the full article at MedlinePlus

Courtesy of MedlinePlus, a service of the U.S. National Library of Medicine.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2025No changes
FY 2026CurrentCurrent code set, no changesEffective October 1, 2025 through September 30, 2026.

Questions About N35Overview

Is N35 (Urethral stricture) a billable code?

No. This is a category header that groups the codes for urethral stricture, and headers cannot be submitted on claims. Claims for urethral stricture need a more specific code from this category, such as N35.010, N35.011, and N35.012.