CMS Manual System Transmittal 941: Common Working File (CWF) Editing Update for Pulmonary Rehabilitation Services (PR) and Cardiac and Intensive Cardiac Rehabilitation Services
Guidance for contractors regarding updates to CWF editing to allow institutional and professional providers to bill 36 sessions of cardiac rehabilitation services, without the KX modifier, over a period of 36 weeks.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: August 05, 2011
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