NCDMHDDSAS Summary of Rates Paid by LME-MCOs shows the rates LME-MCOs reimburse providers for services covered by NCDMHDDSAS. The service definitions can be found here. Rates shown reflect the amount paid per unit of service. Units of service are prescribed in the service definition, and the unit may be 15 minutes, an hour, an event, or per diem (day). Effective July 1, 2017, LME-MCOs are allowed to set rates for services reimbursed with DMHDDSAS state and federal dollars. LME-MCOs are to establish rates that are necessary and appropriate; these may be specific to the provider or consumer.