ICD-10-CM · Chapter 14 · N00-N99
N37 Urethral disorders in diseases classified elsewhere
Excludes 1 (cannot be coded together)
- 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
This category is a complete, billable diagnosis code.
No additional specificity is required — submit N37 directly on claims and documentation without a subcode extension.
Last reviewed: September 2026