MCI Diagnostic Center, 9728 Greenville Avenue, is proud to be the selected vendor to work in partnership with the City of Dallas Office of Emergency Management (“OEM”), in providing a turn-key system to support Dallas County community’s COVID-19 testing and laboratory services. This City of Dallas contract for turn-key COVID-19 testing services includes mobile in-home testing, walk-up, and mobile drive-thru testing.  Appointments for mobile in-home testing can be scheduled between the hours of 8 a.m. and 6 p.m., Monday to Saturday through the MCI diagnostic Center screening line by calling 1-833-657-1887.