An official website of the Commonwealth of Massachusetts
This page, Coordination of Benefits, is part of
This page, Coordination of Benefits, is offered by

Coordination of Benefits

Amendments to 211 CMR 38.00 (“Coordination of Benefits”) that went into effect on January 1, 2018, impact health and auto insurance carriers’ handling of motor vehicle accident-related medical bills.

Please find below guidance materials to clarify the rules that carriers are to apply when considering which carrier may be responsible for payment of medical bills.

  • Coordination of Benefits [211 CMR 38.00] FAQs - PDF
  • Coordination of Benefits - Handling of Motor Vehicle Accident-Related Medical Claims - PDF

Additional Resources for