Is I73.8 a billable ICD-10-CM code?

No. I73.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.

Where does I73.8 sit in the tabular list?

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

What cannot be coded together with I73.8?

I73.8 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.

I73.8

I73.8 — Other specified peripheral vascular diseases

Non-billable headerICD-10-CM

I73.8 is a non-billable header ICD-10-CM code for other specified peripheral vascular diseases. It cannot be billed on its own: choose one of the more specific child codes below.

Excludes1 — never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

diabetic (peripheral) angiopathy (E08-E13 with .51-.52)

Other codes that can never be billed with I73.8

These codes carry an Excludes1 note pointing at I73.8. The conflict binds both ways, but ICD-10-CM only writes it down on one side — so you would not find this by reading I73.8 alone.

R20.2Paresthesia of skin
R23.0Cyanosis

Risk adjustment

I73.8 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 I73.8

2 child codes. Green means billable.

Related codes at this level

Codes that share I73. If I73.8 is not quite right, the correct code is usually one of these.

Questions about I73.8

Is I73.8 a billable ICD-10-CM code?: No. I73.8 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
Where does I73.8 sit in the tabular list?: Diseases of the circulatory system (I00-I99), in the block Diseases of arteries, arterioles and capillaries (I70-I79).
What cannot be coded together with I73.8?: I73.8 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.