On March 21, 2022, MassHealth will update its Eligibility Verification System (EVS) and the HIPAA Health Care Eligibility Benefit Inquiry and Response (270/271) transaction to include the additional benefit plans below for applicable members: COVID Uninsured Coverage CMSP Limited HSN Trading partners should visit the MassHealth HIPAA Companion Guides webpage listed below to evaluate the changes outlined in the MassHealth HIPAA Health Care Eligibility Benefit Inquiry and Response (270/271) Companion Guide, and ensure that their systems can accept the additional
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