US · guidance
CMS Pub. 100-06, ch. 7, § 30.9.4
G CUECs – Medicare Secondary Payer (MSP)
G – Control
Objective
Number
G – CUEC Description
G.1 The Fiscal Intermediary Standard System (FISS), a Part A CMS
system, automatically creates “I” records as needed.
This control objective does not pertain to BCRC or the CRC
contractors.
G.1 MSP edits (including 6800) codes are automatically processed by
CWF and reported to the contractors for claim review through audit
and error codes in the applicable shared system in order to assist
examiners in the processing of claims. The applicable systems are
configured with automated help messages to aid claims processing
and edit resolution.
G – Control
Objective
Number
G – CUEC Description
G.1 The applicable systems are configured to process claims. The
MSPPAY module calculates the amount Medicare should pay as
secondary payer. These MSP amounts are automatically updated in
the applicable shared systems and the final MSP payment amount is
sent to CWF.
G.2 HIGLAS and CAFM records overpayments as adjustments are
posted, sets up accounts receivable, and tracks interest assessment
on debt.
G.3, G.4 The CMS provides software, the Common Working File (CWF) for
editing, and the Electronic Correspondence Referral System (ECRS)
to address assistance requests and MSP inquiries.
G.5 CMS accurately and timely communicates mandated regulatory
requirement changes and internal policy changes.
ALL Access to the all CMS systems are restricted by user identifier (ID)
and password. Inactive ID’s are suspended after 30 calendar days
and deleted after 90 calendar days. Controls are in place to suspend
an account after three unsuccessful login attempts.
End Section 30.9.4 – G CUECs – Medicare Secondary Payer (MSP): Back to Table of
Contents
History
(Rev. 331, Issued: 11-15-19, Effective: 10-01-19, Implementation: 12-17- 19)
Provenance
- Source
- cms.gov
- Retrieved
- 2026-08-25
- Edition
- iom-2026-08-25
- Content hash
056e9d5a54f04699e990e1daed182946601a6871a04a828597167020eef1f4dc
The link goes to the issuing authority’s own document — the one we read to produce this record. Where a source publishes whole titles rather than sections, your browser may need a moment to jump to the provision.
Unofficial copy of government-published law, reproduced from official sources with full provenance. Not an official publication; verify against official sources before relying on it in a filing. Records in the 'guidance' corpus, and only that corpus, are sub-regulatory (interpretive guidelines, survey procedures) and are not binding law. Validity bounds follow each jurisdiction's declared temporalBasis.