Is I06 a billable ICD-10-CM code?

No. I06 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does I06 sit in the tabular list?

Diseases of the circulatory system (I00-I99), in the block Chronic rheumatic heart diseases (I05-I09).

I06

I06 — Rheumatic aortic valve diseases

Non-billable headerICD-10-CM

I06 is a non-billable header ICD-10-CM code for rheumatic aortic valve diseases. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes2 — not included here, but may coexist

The excluded condition is not part of this code, but a patient can have both. You may code both.

aortic valve disease not specified as rheumatic (I35.-)
aortic valve disease with mitral and/or tricuspid valve involvement (I08.-)

Risk adjustment

I06 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 I06

5 child codes. Green means billable.

Questions about I06

Is I06 a billable ICD-10-CM code?: No. I06 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does I06 sit in the tabular list?: Diseases of the circulatory system (I00-I99), in the block Chronic rheumatic heart diseases (I05-I09).