CMS Manual System Transmittal 1450: Update to the Common Working File (CWF) to Allow the Posting of Skilled Nursing Facility (SNF) and Swing Bed (SB) Claims to the Beneficiary’s Spell of Illness When Qualifying Stay Criteria are Not Met
Guidance for contractors modifications to CWF to allow the posting of SNF and SB claims when qualifying stay criteria are not met.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: February 15, 2008
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