I48.4: Atypical atrial flutter

Risk adjustment

I48.4 risk-adjusts. Under the CMS-HCC V28 model it maps to this category:

• HCC 238 Specified Heart Arrhythmias0.299 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

I48.4 is named in 35 Medicare coverage policies: 35 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

• A52868Billing and Coding: Transesophageal Echocardiography (TEE)
• A54831Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemaker
• A54909Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemakers
• A54926Billing and Coding: Single Chamber and Dual Chamber Permanent Cardiac Pacemakers