NPI Atlas

N37 – Urethral disorders in diseases classified elsewhere

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

Billable code

ICD-10-CM code N37

Code: N37 (claims format: N37)
Description: Urethral disorders in diseases classified elsewhere
Billable: Yes – valid for HIPAA-covered transactions
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

Notes for N37

Excludes1 (not coded here):

urethritis (in):
candidal infection (B37.41)
chlamydial (A56.01)
gonorrhea (A54.01)
syphilis (A52.76)
trichomonal infection (A59.03)
tuberculosis (A18.13)

Code first:

underlying disease

Notes inherited from parent codes

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

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-)

Index terms for N37

Entries in the ICD-10-CM alphabetic index that lead to this code:

Stricture, urethra, associated with schistosomiasis

Frequently asked questions

What is ICD-10 code N37?

N37 is the ICD-10-CM code for urethral disorders in diseases classified elsewhere, in the block N30-N39 (Other diseases of the urinary system).

Is N37 a billable code?

Yes. N37 is a billable/specific code that can be used to indicate a diagnosis for reimbursement purposes.

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.