Is I71 a billable ICD-10-CM code?

No. I71 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does I71 sit in the tabular list?

Diseases of the circulatory system (I00-I99), in the block Diseases of arteries, arterioles and capillaries (I70-I79).

I71

I71 — Aortic aneurysm and dissection

Non-billable headerICD-10-CM

I71 is a non-billable header ICD-10-CM code for aortic aneurysm and dissection. It cannot be billed on its own: choose one of the more specific child codes below.

Code first

The underlying condition must be sequenced before this code.

, if applicable:
syphilitic aortic aneurysm (A52.01)
traumatic aortic aneurysm (S25.09, S35.09)

Other codes that can never be billed with I71

These codes carry an Excludes1 note pointing at I71. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading I71 alone.

I77.81Aortic ectasia

Risk adjustment

I71 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 I71

9 child codes. Green means billable.

Questions about I71

Is I71 a billable ICD-10-CM code?: No. I71 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does I71 sit in the tabular list?: Diseases of the circulatory system (I00-I99), in the block Diseases of arteries, arterioles and capillaries (I70-I79).