Categorizing Diagnosis Codes 500-508 and 800-999 on Incoming Medicare Secondary Payer (MSP) Claims and on the MSP Auxiliary File for non-Group Health Plan (GHP) Claims
The purpose of this CR is to modify CWF to automate and establish a
program where CWF determines whether the DX codes housed on the MSP auxiliary record are related to
the ICD-9 DX codes on the incoming claim.
Issued by: Centers for Medicare & Medicaid Services (CMS)
Issue Date: January 21, 2011
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