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MassHealth Updates to the CARC & RARC List Effective January 1, 2019

December 31, 2018

MassHealth has completed its review of the October 2018 CAQH CORE Code Combination Claim Adjustment Reason Codes and Remittance Advice Remark Codes (CARC & RARC). The MMIS has been modified to adopt the applicable changes effective 1/1/19. Please review the updated CARC & RARC list as well as the CARC & RARC change log, found at https://www.mass.gov/service-details/the-aca-operating-rules.

Reminder: Providers should review the online list for the most up-to-date EOB code combinations.

If you have any questions, please contact the MassHealth Customer Service Center at 1-800-841-2900, e-mail your inquiry to providersupport@mahealth.net, or fax your inquiry to 617-988-8974.