I48.9
I48.9 — Unspecified atrial fibrillation and atrial flutter
Non-billable headerICD-10-CM
I48.9 is a non-billable header ICD-10-CM code for unspecified atrial fibrillation and atrial flutter. It cannot be billed on its own: choose one of the more specific child codes below.
Risk adjustment
I48.9 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 I48.9
2 child codes. Green means billable.
Related codes at this level
Codes that share I48. If I48.9 is not quite right, the correct code is usually one of these.
Questions about I48.9
- Is I48.9 a billable ICD-10-CM code?
- No. I48.9 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does I48.9 sit in the tabular list?
- Diseases of the circulatory system (I00-I99), in the block Other forms of heart disease (I30-I5A).