Resources

The reference material behind the work.

The primary CMS sources our reports are built against, collected in one place.

Version 4.5 · April 2026 · PDF

WCMSA Reference Guide ↗

The current CMS reference guide governing Workers' Compensation Medicare Set-Aside Arrangements, the methodology standard every Sparx allocation is built against.

Version 1.3 · PDF

Self-Administration Toolkit for WCMSAs ↗

The CMS toolkit for claimants who self-administer their Workers' Compensation Medicare Set-Aside, how to manage the account, what to pay from it, and how to report.

LexisNexis · Annual publication

The Complete Guide to Medicare Secondary Payer Compliance ↗

The definitive treatise on MSP compliance, published annually by LexisNexis since 2009. Edited by our own Jen Jordan, who serves as its Editor-in-Chief.

U.S. Code · 42 U.S.C. 1395y(b)(2)

The MSP Act ↗

The Medicare Secondary Payer statute itself, 42 U.S.C. 1395y(b)(2), the law that makes Medicare secondary to other available payers.

eCFR · 42 C.F.R. Part 411

Exclusions and Limitations on Medicare Payment ↗

42 C.F.R. Part 411, the federal regulations implementing the MSP provisions, including exclusions from coverage and limits on what Medicare will pay.

CMS · Internet-Only Manual

Medicare Secondary Payer Manual ↗

The CMS Internet-Only Manual that governs day-to-day MSP administration, from coordination of benefits through recovery.

CMS · Program overview

Coordination of Benefits & Recovery ↗

The CMS overview of how Medicare coordinates with other payers and pursues recovery of conditional payments.

CMS · Searchable database

Medicare Coverage Database ↗

The searchable CMS database of National and Local Coverage Determinations that define what Medicare covers, the basis for what belongs in an allocation.

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