MCMCB Pro
N37

N37Urethral disorders in diseases classified elsewhere

Billable / specific codeICD-10-CM

N37 is a billable, specific ICD-10-CM code for urethral disorders in diseases classified elsewhere. It is valid for submission on a claim.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

Code first

The underlying condition must be sequenced before this code.

  • underlying disease

Risk adjustment

N37 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.

Medicare coverage

N37 is named in 2 Medicare coverage policies 2 listing it as supporting medical necessity. Which of them applies to you depends on your Medicare contractor, and coverage genuinely differs by state.

  • A56802Billing and Coding: Urodynamics
  • A57455Billing and Coding: Urodynamics

Questions about N37

Is N37 a billable ICD-10-CM code?
Yes. N37 is a billable, specific ICD-10-CM code and is valid for submission on a claim.
Where does N37 sit in the tabular list?
Diseases of the genitourinary system (N00-N99), in the block Other diseases of the urinary system (N30-N39).
What cannot be coded together with N37?
N37 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.
ICD-10-CMFY2026-Apr· effective April 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release — see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.