2027 ICD-10-CM Diagnosis Code N35.113Postinfective membranous urethral stricture, not elsewhere classified, male

ICD-10-CM Codes›N00–N99›N30-N39›N35

ICD-10-CM N35.113
CMSSource: CMS FY 2027 ICD-10-CM dataset · Effective Oct 1, 2026 – Sep 30, 2027

N35.113 is a billable ICD-10-CM diagnosis code for postinfective membranous urethral stricture, not elsewhere classified, male. It is valid on HIPAA claims for fiscal year 2027 (October 1, 2026 through September 30, 2027) and groups to MS-DRG 697. Coders also document this condition as male membranous urethral stricture. In AHRQ's Clinical Classifications Software (CCSR), this diagnosis falls under Other specified and unspecified diseases of bladder and urethra.

Code Identity

ICD-10-CM Code
N35.113
Billable Status
Yes — Valid for Submission
Code Describes
Postinfective membranous urethral stricture, not elsewhere classified, male
Short Description
Postinfective membranous urethral stricture, NEC, male
Parent Code
N35.11
Postinfective urethral stricture, not elsewhere classified, male

Code Classification

ChapterN00–N99Diseases of the genitourinary system
SectionN30-N39Other diseases of the urinary system
CategoryN35Urethral stricture
This CodeN35.113Postinfective membranous urethral stricture, not elsewhere classified, male

Approximate SynonymsGuidance

Alternate terms and clinical phrases that map to this code.

  • Male membranous urethral stricture
  • Postinfective membranous urethral stricture
  • Postinfective urethral stricture of male

Instructional NotesGuidance

Instructions from the official ICD-10-CM Tabular List that apply to N35.113: its own notes plus those printed at N35.1, N35, block N30-N39, and Chapter 14. A note printed at a category, block or chapter applies to every code under it.

Excludes1

Not coded here: the excluded code is never reported together with this one, unless the two conditions are unrelated.

From N35.1 Postinfective urethral stricture, not elsewhere classified applies to 7 codes
  • urethral stricture associated with schistosomiasis (B65.-, N29)
  • gonococcal urethral stricture (A54.01)
  • syphilitic urethral stricture (A52.76)
From N35 Urethral stricture applies to 29 codes
  • congenital urethral stricture (Q64.3-)
  • postprocedural urethral stricture (N99.1-)

Excludes2

Not included here: the excluded condition is not part of this code, but a patient may have both, so both codes may be reported.

From Block N30-N39 Other diseases of the urinary system applies to 85 codes
  • urinary infection (complicating):
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)
From Chapter 14 (N00-N99) Diseases of the genitourinary system applies to 838 codes
  • certain conditions originating in the perinatal period (P04-P96)
  • certain infectious and parasitic diseases (A00-B99)
  • complications of pregnancy, childbirth and the puerperium (O00-O9A)
  • congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
  • endocrine, nutritional and metabolic diseases (E00-E88)
  • injury, poisoning and certain other consequences of external causes (S00-T88)
  • neoplasms (C00-D49)
  • symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R94)

Source: CMS ICD-10-CM Tabular List. How to read instructional notes.

Index to Diseases and InjuriesGuidance

Alphabetical index entries that point to this code.

Clinical ClassificationClinical

AHRQ’s CCSR groups this code into broader clinical categories.

CCSR GEN007
Other specified and unspecified diseases of bladder and urethra
Default principal diagnosis: inpatient Yes · outpatient Yes

Clinical InformationClinical

  • Urethral Stricture

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

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.

Convert N35.113 to ICD-9-CMHistory

The closest ICD-9-CM equivalents under the General Equivalence Mappings.

ICD-9-CM
598.00 Urethr strict:infect NOS
Approximate The match is approximate rather than exact.

Code HistoryHistory

FY 2016AddedAdded to the ICD-10-CM code setEffective October 1, 2015, the first year of ICD-10-CM.
FY 2017–2026No changes
FY 2027CurrentCurrent code set, no changesEffective October 1, 2026 through September 30, 2027.

Questions About N35.113Overview

Is N35.113 a billable code?

Yes. This is a billable ICD-10-CM code, specific enough to report postinfective membranous urethral stricture, not elsewhere classified, male on HIPAA-covered claims from October 1, 2026 through September 30, 2027.

What MS-DRG does N35.113 group to?

When postinfective membranous urethral stricture, not elsewhere classified, male is the principal diagnosis on an inpatient stay, it groups to MS-DRG 697 (urethral Stricture), which carries a relative weight of 0.9656. Higher weights mean higher Medicare reimbursement.

Can N35.113 be reported with a code from B65?

Not as a rule. The Excludes1 note at N35.1, which applies to N35.113, lists "urethral stricture associated with schistosomiasis (B65.-, N29)". An Excludes1 note means the excluded code is never reported together with this one; the only exception is when the two conditions are unrelated to each other (Official Guidelines, Section I.A.12.a).

What is the ICD-9 equivalent of N35.113?

Under the General Equivalence Mappings, postinfective membranous urethral stricture, not elsewhere classified, male converts to ICD-9-CM 598.00 (urethr strict:infect NOS). The mapping is approximate, so confirm the match fits the documentation.