Update to the Common Working File (CWF) Edits to Recognize the "RA" and "RB" Modifiers for Durable Medical Equipment (DME) Repairs and Replacements
This transmittal instructs the Common Working File (CWF) to update the
edits that currently apply to claims for repairs and replacements (formerly submitted with the "RP" modifier)
to recognize the new "RA" and "RB" modifiers, effective for claims processed on April 5, 2010 or later, for
dates of service of January 1, 2009 or later.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: October 28, 2009
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