A56 is a non-billable/non-specific diagnosis code from the 2025 ICD-10-CM used to classify the following condition: Other sexually transmitted chlamydial diseases.
Includes
Sexually transmitted diseases due to Chlamydia
Trachomatis
Type 1 excludes
Type 2 excludes
Codes
A56.0
Chlamydial infection of lower genitourinary tract
A56.1
Chlamydial infection of pelviperitoneum and other genitourinary organs
A56.2
Chlamydial infection of genitourinary tract, unspecified
A56.3
Chlamydial infection of anus and rectum
A56.4
Chlamydial infection of pharynx
A56.8
Sexually transmitted chlamydial infection of other sites
Versions
2025
No changes
2024
No changes
2023
No changes
2022
No changes
2021
No changes
2020
No changes
2019
No changes
2018
No changes
2017
No changes
2016
New code