A37
A37 — Whooping cough
Non-billable headerICD-10-CM
A37 is a non-billable header ICD-10-CM code for whooping cough. It cannot be billed on its own: choose one of the more specific child codes below.
Other codes that can never be billed with A37
These codes carry an Excludes1 note pointing at A37. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading A37 alone.
Risk adjustment
A37 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 A37
4 child codes. Green means billable.
Questions about A37
- Is A37 a billable ICD-10-CM code?
- No. A37 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does A37 sit in the tabular list?
- Certain infectious and parasitic diseases (A00-B99), in the block Other bacterial diseases (A30-A49).