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CMS releases new WCMSA Reference Guide (Version 3.4)

The Centers for Medicare and Medicaid Services (CMS) has just released their latest version of the WCMSA Reference Guide (Version 3.4, October 4, 2021). This new guide replaces WCMSA Reference guide version 3.3 (April 19, 2021). 

CMS lists the changes made in the new WCMSA Reference Guide in Section 1.1.  As noted in Section 1.1, CMS updated the and website cites in the reference guide. In addition, CMS added language indicating that the executed workers’ settlement must include the WCMSA funding information to finalize the WCMSA approval process. (Section 10.5 and Appendix 5). 

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For over a decade, ISO Claims Partners have been an industry leader in providing innovative, cost-effective, and proven allocation services. We offer a host of different future medical allocation services --- including MSAs submitted to CMS; our innovative Evidence-Based MSA (non-submit); medical cost projections; and other proactive services.  We are proud to deliver significant cost-savings for our clients --- as examples, in 2020, we saved our clients over $50M in MSA proactive cost mitigation; $4.5 M in re-review submissions; and approximately $20M through the Amended Review process.  We look forward to learning how we can help you address and reduce your future medical allocation needs!  Please see our Allocation Services Comparison and our Evidence-Based Medicare Set-Aside brochures for further information.


If you have questions or would like more information, please feel free to e-mail the author at

Sid Wong, J.D.

Sid Wong is the Vice President of Policy at Verisk Casualty. In this capacity Sid monitors and evaluates the changing state of Medicare Secondary Payer compliance to develop impactful solutions to emerging MSP issues and works to ensure that Verisk’s Casualty’s policies, products, and services continue to align with the MSP landscape. He also oversees Verisk Casualty’s policy team, which provides policy and compliance support for all of Verisk Casualty’s clients. During his tenure he has served as Legal Director, Assistant Director of Services, Client Solutions Manager, and MSP Compliance Manager. Sid is a subject matter expert on MSAs, Conditional Payment Recovery, and Section 111 reporting. He collaborates with clients to develop best practices and respond to any compliance or policy questions, whether it’s a case level issue or evaluating a process impacting the larger organization. He regularly presents at industry conferences and provides training for clients.

Prior to joining Verisk, Sid worked for a small general practice firm in New Hampshire where he received his JD from University of New Hampshire Franklin Pierce School of Law. Sid is a member of the MA, NH, and NY bar, the IAIABC, NAMSAP, MARC, and is MSCC certified.

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