N35.1 – Postinfective urethral stricture, not elsewhere classified

ICD-10-CM 2027 diagnosis code · Other diseases of the urinary system

Non-billable header

ICD-10-CM code N35.1
Code
N35.1 (claims format: N351)
Description
Postinfective urethral stricture, not elsewhere classified
Billable
No – use a more specific code below
Valid for
Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter
14. Diseases of the genitourinary system (N00-N99)
Block
N30-N39 Other diseases of the urinary system
Parent codes
N35

Billable codes under N35.1

N35.1 is a header code and cannot be used on claims. Choose the most specific code:

Notes for N35.1

Excludes1 (not coded here):
  • urethral stricture associated with schistosomiasis (B65.-, N29)
  • gonococcal urethral stricture (A54.01)
  • syphilitic urethral stricture (A52.76)

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

N35 – Urethral stricture

Excludes1 (not coded here):
  • congenital urethral stricture (Q64.3-)
  • postprocedural urethral stricture (N99.1-)

Block N30-N39

Excludes2 (not included here):
  • urinary infection (complicating):
  • abortion or ectopic or molar pregnancy (O00-O07, O08.8)
  • pregnancy, childbirth and the puerperium (O23.-, O75.3, O86.2-)

Related codes in N35

Frequently asked questions

What is ICD-10 code N35.1?

N35.1 is the ICD-10-CM code for postinfective urethral stricture, not elsewhere classified, in the block N30-N39 (Other diseases of the urinary system).

Is N35.1 a billable code?

No. N35.1 is a header code with more specific child codes; report one of the billable codes listed above.

What category does N35.1 belong to?

It belongs to category N35 – Urethral stricture.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.