Effective for services performed on or after March 22, 2006, the Centers for Medicare and Medicaid Services (CMS) is updating Section 20.10 of the Medicare National Coverage Determinations Manual (NCD Manual) to include additional clinical indications for which cardiac rehabilitation services are covered. The NCD Manual now includes a comprehensive description of the services that must be provided as part of a comprehensive cardiac rehabilitation program, extends the window of time during which the services must be provided, and restructures the language in an effort to improve clarity. The new revision can be viewed at Cardiac Rehabilitation Programs NCD Manual.