Customer Service

Laboratory Client Services

Hours: Monday – Friday 7:00 AM – 6:00 PM (CST)
Phone:(713) 441-4411 or 1 (855) 522-3282 (LABDATA)
After Hours, Weekends & Holidays, please contact Tech-In-Charge
Phone (713) 441-1869
Fax:(713) 441-4412

Dear Patients and Clients. Due to the confidential nature of test result information, we cannot respond via this email address to requests for test results. Please contact your health care provider directly or call the HMDL client services number. Thank you

HMDL Outreach Specialist

Phuong T. Nguyen, M.B.A.
Outreach Specialist, MDL
Office: (713) 441-3483
Mobile: (281) 409-0621
Fax: (713) 441-3489
6565 Fannin Street, B490
Houston, TX 77007