Is I1A a billable ICD-10-CM code?

No. I1A is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does I1A sit in the tabular list?

Diseases of the circulatory system (I00-I99), in the block Hypertensive diseases (I10-I1A).

I1A

I1A — Other hypertension

Non-billable headerICD-10-CM

I1A is a non-billable header ICD-10-CM code for other hypertension. It cannot be billed on its own: choose one of the more specific child codes below.

Risk adjustment

I1A 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 I1A

1 child code. Green means billable.

I1A.0Resistant hypertension

Questions about I1A

Is I1A a billable ICD-10-CM code?: No. I1A is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does I1A sit in the tabular list?: Diseases of the circulatory system (I00-I99), in the block Hypertensive diseases (I10-I1A).