The Claim Status Operating Rules streamline the electronic process by which a provider requests the status of a claim and how the health plan responds. A set of these rules is federally mandated—more information on all CAQH CORE federally mandated rules can be found here.

Complete Set of Claim Status Operating Rules 

CAQH CORE Claim Status (276/277) Infrastructure Rule vCS2.0

Additional Resources  

  • CAQH CORE Connectivity: Visit the CAQH CORE Connectivity webpage for more information on which version of CAQH CORE Connectivity is required for implementation with this infrastructure rule.
  • CORE Certification/Endorsement: Learn more about CORE Certification and CORE Endorsement for Claim Status Operating Rules by visiting the CORE Certification webpage.
  • Resource Library: Visit the Resource Library to access FAQs, Analysis & Planning Guides, the CAQH CORE Master Companion Guide, webinars, and more to support implementation of the CAQH CORE Operating Rules.

For more information about the Operating Rules process or CORE Certification, contact CAQH CORE at

CAQH Program