FY 2024 Common Cardiac MCCs AND CCs

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Each year CMS updates the list of diagnoses classified as Major Complications and Comorbidities (MCCs) and Complications and Comorbidities (CCs). These annual changes go into effect October 1, the beginning of the Medicare Part A (Inpatient care) fiscal year.

  • Complications describe conditions that arise during an inpatient admission (POA = N)
  • Comorbidities denote conditions that existed prior to admission (POA = Y)

The chart outlines common cardiac MCCs and CCs for FY 2024.

Key MCCs
Acute Heart Failure

  • Systolic (HFrEF)
  • Diastolic (HFpEF)
  • Diastolic (HFpEF)
Acute Myocardial Infarctions

  • MI Type 2

Key CCs
Acute Coronary Insufficiency
Acute Coronary Microvascular Dysfunction
Acute Ischemic Heart Disease
Angina Pectoris with documented spasm

Atrial Fibrillation

  • Longstanding persistent
  • Other persistent
  • Chronic
  • Permanent
Atrial Flutter
Bifascicular Block
Cardiomyopathy (except ischemic)

Chronic Heart Failure

  • Systolic or reduced
  • Diastolic, preserved or recovered
  • Combined or left
Complete Heart Block
Hypertensive Crisis or Emergency
Refractory Angina Pectoris
Supraventricular Tachycardia (specify type)
Trifascicular Block
Unstable Angina
Ventricular Tachycardia

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