I75.021: Atheroembolism of right lower extremity

Risk adjustment

I75.021 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

• HCC 264 Vascular Disease with Complications0.455 RAF

Coefficient shown for the Community Non-dual Aged segment. A higher HCC in the same hierarchy will suppress this one, so capturing it does not always add score. Look up the whole chart to see which of its HCCs the hierarchy would zero.

Medicare coverage

I75.021 is named in 16 Medicare coverage policies: 16 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

• A52850Billing and Coding: Cardiac Catheterization and Coronary Angiography
• A56500Billing and Coding: Cardiac Catheterization and Coronary Angiography
• A56697Billing and Coding: Non-Invasive Vascular Studies
• A56747Billing and Coding: Magnetic Resonance Angiography (MRA)