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ICD-10-CM 2027 diagnosis code

N35.91Urethral stricture, unspecified, male

Not billable — use a more specific code

N35.91 is a header code, so it can't be reported by itself. Choose one of the 6 more specific codes beneath it.

Code last changed in FY2019 (effective October 1, 2018). Source: official FY2027 ICD-10-CM release from CDC/NCHS and CMS. Page updated September 29, 2026. About our data

About N35.91

N35.91 is the ICD-10-CM diagnosis code for urethral stricture, unspecified, male. It belongs to category N35 (urethral stricture), block N30-N39 (other diseases of the urinary system) and chapter 14 (diseases of the genitourinary system). It is a header code, so it can't be reported by itself; one of its 6 subcodes must be used instead.

Within N35.9 (urethral stricture, unspecified), N35.91 is specifically for urethral stricture, unspecified, male. Related codes cover unspecified urethral stricture, female (N35.92).

To report this condition, pick the subcode that matches the documentation: N35.911 (meatal), N35.912 (male), N35.913 (male), N35.914 (male), N35.916 (sites) and N35.919 (site).

It was added in FY2019, effective October 1, 2018.

Specific codes under N35.91

Notes that apply from higher levels

Instructions written at a parent level also apply to N35.91.

› From N35 Urethral stricture
Excludes1
  • congenital urethral stricture (Q64.3-)
  • postprocedural urethral stricture (N99.1-)

Broader instructions also apply from N30-N39 Other diseases of the urinary system and Chapter 14: Diseases of the genitourinary system.

Code history

  1. 2016
  2. 2017
  3. 2018
  4. 2019
  5. 2020
  6. 2021
  7. 2022
  8. 2023
  9. 2024
  10. 2025
  11. 2026
  12. 2027
  • FY2019 (effective 10/1/2018): Added
  • No changes since FY2019.

Common questions about N35.91

Is N35.91 billable?

No. N35.91 is a header code. Report one of its more specific subcodes instead.