I77.81
I77.81 — Aortic ectasia
Non-billable headerICD-10-CM
I77.81 is a non-billable header ICD-10-CM code for aortic ectasia. 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.
- aortic aneurysm and dissection (I71.-)
Inclusion terms
Alternative wordings a physician may use in the chart for this same code.
- Ectasis aorta
Risk adjustment
I77.81 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 I77.81
4 child codes. Green means billable.
Related codes at this level
Codes that share I77.8. If I77.81 is not quite right, the correct code is usually one of these.
Questions about I77.81
- Is I77.81 a billable ICD-10-CM code?
- No. I77.81 is a non-billable header code. Code to a higher level of specificity using one of its child codes.
- Where does I77.81 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 I77.81?
- I77.81 carries an Excludes1 note, which means the conditions it lists can never be coded together with it on the same encounter.