07/2014 - The purpose of this Change Request (CR) is effective for dates of service on and after February 18, 2014, Medicare covers cardiac rehabilitation services to beneficiaries with stable, chronic heart failure defined as patients with left ventricular ejection fraction of 35% or less and New York Heart Association (NYHA) class II to IV symptoms despite being on optimal heart failure therapy for at least 6 weeks. Effect date: 02/18/2014. Implementation date: 08/18/2014. (TN 171) (CR8758)