A59.03Billable

Trichomonal cystitis and urethritis

Chapter
1. Certain infectious and parasitic diseases
Category
A59
Effective date
October 1, 2026

Related codes in category A59

Frequently asked questions

What is ICD-10 code A59.03?

A59.03 is an ICD-10-CM diagnosis code for Trichomonal cystitis and urethritis.

Is A59.03 a billable code?

Yes. A59.03 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is A59.03 in?

A59.03 falls under Chapter 1: Certain infectious and parasitic diseases.

When did A59.03 become effective?

A59.03 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to A59.03?

A59.03 belongs to category A59, which includes 8 other codes — see the related codes list on this page.

ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.