US · guidance
CMS Pub. 100-06, ch. 7, § 50.7
G Controls – Medicare Secondary Payer (MSP)
G – Control
Number
Control Objective – Medicare Secondary Payer (MSP)
G.1 Medicare Administrative Contractor internal quality controls are
established and maintained that ensure timely and accurate
processing of secondary claims submitted, including paper MSP
claims with a primary payer’s explanation of benefits (EOB) or
remittance advice (RA). This includes utilization of the MSPPAY
module, resolving all MSP edits (including 6800 codes*), creation
of “I” records and resolving suspended claims in accordance with
CMS instructions at Publication 100-05 Chapter 5 and 6. Contractor
internal systems used to process MSP claims are updated via the
Common Working File (CWF) automatic notice in an automated
fashion. Suspended claims that require manual intervention are
corrected and reviewed by the appropriate suspense staff.
This control objective does not pertain to BCRC or the CRC
contractors.
G – Control
Number
Control Objective – Medicare Secondary Payer (MSP)
G.2 Audit trails for MSP receivables are created and maintained. An
audit trail should include details of the source of the receivable,
correspondence in date order, reasons for adjustments, referral to
treasury, collection of the debt, and any information regarding the
establishing, reconciling and resolving a receivable for an
outstanding debt. All applicable systems (e.g. HIGLAS) should be
updated accurately and timely, and be accessible to the appropriate
individuals.
This control objective pertains to MACs, BCRC, and CRC
Contractors.
G.3.1 Contractors ensure compliance with all CMS instructions and
directives relating to MSP Investigations by the Benefit
Coordination & Recovery Center (BCRC). This includes the MACs
transmitting appropriate, timely and complete Electronic
Correspondence Referral System (ECRS) submissions in
accordance with Publication 100-05, CWF Assistance Requests and
ECRS MSP inquiries to the BCRC as a result of the receipt of a
phone call, correspondence, claim or unsolicited check/voluntary
refund. All references must be maintained in an area accessible to
MSP staff and must be available for CMS review.
*The ECRS user guide is located at: Publication # 100-05 The
Electronic Correspondence Referral System on the Web (ECRS
Web) User Guide.
This control objective does not pertain to the CRC Contractor
G.3.2 The Commercial Repayment Center (CRC) must transmit
appropriate, timely and complete ECRS submissions and CWF
Assistance Request as a result of a phone call, inquiry or
correspondence received to ensure debtor information is accurate.
The Benefits Coordination and Recovery Center (BCRC) must
respond to all ECRS Inquiry and Assistance Requests for all
contractors.
This control objective pertains to the CRC and the BCRC.
G – Control
Number
Control Objective – Medicare Secondary Payer (MSP)
G.4 Contractors identify and track all incoming correspondence to
ensure timely acknowledgement, response, and priority compliance
with the Statement of Work (SOW) for MACs and other Medicare
Contractors. All correspondence includes written inquiries,
including letters, faxes, telephone inquiries, e-mails and any other
forms of communication to support and complete a
correspondence/inquiry action, shall be handled consistently for
accuracy, professionalism and timeliness. These tracking
mechanisms should include the ability to track ECRS submissions
when awaiting response/status from the BCRC, or further actions
such as claims adjustments after the BCRC has completed their
investigation.
This control objective pertains to MACs, BCRC, and CRC
Contractors.
G.5 Contractors shall have quality assurance measures in place to ensure
the accuracy of the implementation of any CMS directive or any
required work process/deliverable expressed in the SOW.
Contractors shall also provide evidence that the results from quality
assurance checks are documented to identify errors and that training
venues are implemented to prevent the reoccurrence of these errors.
This control objective pertains to MACs, BCRC, and CRC
Contractors.
End Section 50.7 – G Controls – Medicare Secondary Payer (MSP): Back to Table of
Contents
History
(Rev. 10614, Issued: 03-23-21, Effective: 10-01-20, Implementation: 04-22-21)
Provenance
- Source
- cms.gov
- Retrieved
- 2026-08-25
- Edition
- iom-2026-08-25
- Content hash
f44c18bdb10b37c874682e8db45d1abc9f95cea7f672e3e61a33873da923a7cc
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