A63Header code — not billable
Other predominantly sexually transmitted diseases, not elsewhere classified
Short description: Oth predominantly sexually transmitted diseases, NEC
- Chapter
- 1. Certain infectious and parasitic diseases
- Category
- A63
- Effective date
- October 1, 2026
Related codes in category A63
Frequently asked questions
What is ICD-10 code A63?
A63 is an ICD-10-CM diagnosis code for Other predominantly sexually transmitted diseases, not elsewhere classified.
Is A63 a billable code?
No. A63 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is A63 in?
A63 falls under Chapter 1: Certain infectious and parasitic diseases.
When did A63 become effective?
A63 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to A63?
A63 belongs to category A63, which includes 2 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.