A66
A66 — Yaws
Non-billable headerICD-10-CM
A66 is a non-billable header ICD-10-CM code for yaws. It cannot be billed on its own: choose one of the more specific child codes below.
Includes
Conditions this code covers.
- bouba
- frambesia (tropica)
- pian
Other codes that can never be billed with A66
These codes carry an Excludes1 note pointing at A66. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading A66 alone.
Risk adjustment
A66 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 A66
10 child codes. Green means billable.
Questions about A66
- Is A66 a billable ICD-10-CM code?
- No. A66 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does A66 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Other spirochetal diseases (A65-A69).