Indicates that a member record matches an existing medical claims record in the APCD if date Flag appended when a medical service occurred for this member during an active enrollment period for the member. Methodology: Date of service (MC059) is within member enrollment and disenrollment dates (ME162A and ME163A). Values: 1 = Medical claim matches member record during the member's Medical claims were processed during member’s enrollment period 0 = Medical claim does not match member during the member's enrollment period Medical claims were not processed during member’s enrollment period | 