N35Not billable, use a more specific code below

Urethral stricture

In Other diseases of the urinary system (N30-N39), chapter 14: Diseases of the Genitourinary System

29 billable codes under N35: none are a CC or MCC; none map to an HCC.

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Instructional notes

Excludes1: not coded here, use a different code

  • congenital urethral stricture (Q64.3-)
  • postprocedural urethral stricture (N99.1-)

Also applies, from Other diseases of the urinary system (N30-N39)

These notes sit on N30-N39 and apply to every code under it, including N35.

Excludes2: not included here, code separately if applicable

  • urinary infection (complicating):
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)

Official coding guidelines

From the ICD-10-CM Official Guidelines for Coding and Reporting, FY 2027 (CMS and NCHS). Links open the PDF at the right page.

Covers chronic kidney disease staging, CKD in kidney transplant patients, and sequencing CKD with related conditions such as diabetes and hypertension.

Read Section I.C.14 (page 62)

All codes under N35

N35 can't be used on a claim. Pick a billable code below; grey headings group them.

N35 MS-DRG

As the principal diagnosis, all 29 billable codes under N35 group to MS-DRG 697 (v44.0).

About the condition

Plain-language background from MedlinePlus (National Library of Medicine), not coding guidance.

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 more about urethral disorders on MedlinePlus

Code history

Valid since FY2016, when ICD-10-CM took effect on October 1, 2015. No changes since.