A51.39Billable

Other secondary syphilis of skin

Chapter
1. Certain infectious and parasitic diseases
Category
A51
Effective date
October 1, 2026

Related codes in category A51

Frequently asked questions

What is ICD-10 code A51.39?

A51.39 is an ICD-10-CM diagnosis code for Other secondary syphilis of skin.

Is A51.39 a billable code?

Yes. A51.39 is billable and specific enough to be used on a claim.

What ICD-10-CM chapter is A51.39 in?

A51.39 falls under Chapter 1: Certain infectious and parasitic diseases.

When did A51.39 become effective?

A51.39 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.

What other codes are related to A51.39?

A51.39 belongs to category A51, which includes 12 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.