A56.0
A56.0 — Chlamydial infection of lower genitourinary tract
Non-billable headerICD-10-CM
A56.0 is a non-billable header ICD-10-CM code for chlamydial infection of lower genitourinary tract. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with A56.0
These codes carry an Excludes1 note pointing at A56.0. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading A56.0 alone.
Risk adjustment
A56.0 does not map to an HCC and does not risk-adjust under CMS-HCC V28. That is normal — most ICD-10 codes do not. It still needs to be coded correctly; it just will not move a RAF score.
Code to one of these instead A56.0
4 child codes. Green means billable.
Related codes at this level
Codes that share A56. If A56.0 is not quite right, the correct code is usually one of these.
Questions about A56.0
- Is A56.0 a billable ICD-10-CM code?
- No. A56.0 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does A56.0 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Infections with a predominantly sexual mode of transmission (A50-A64).