ICD-10-CM · Chapter 1 · A00-B99

A53 Other and unspecified syphilis

Category / Non-billable header 2 subcodes

Block: Infections with a predominantly sexual mode of transmission (A50-A64)

Subcodes

Each subcode links to a detail page with full clinical annotations.

Code	Description	Billable
A53..0	Latent syphilis, unspecified as early or late	Yes
A53..9	Syphilis, unspecified	Yes

Last reviewed: September 2026