A74.9Billable
Chlamydial infection, unspecified
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- A74
- Effective date
- October 1, 2026
Related codes in category A74
Frequently asked questions
What is ICD-10 code A74.9?
A74.9 is an ICD-10-CM diagnosis code for Chlamydial infection, unspecified.
Is A74.9 a billable code?
Yes. A74.9 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is A74.9 in?
A74.9 falls under Chapter 1: Certain infectious and parasitic diseases.
When did A74.9 become effective?
A74.9 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to A74.9?
A74.9 belongs to category A74, which includes 5 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.