Test Information

HMDL offers consultation and educational services on topics related to reference testing for client institutions, including on-site lectures. If your facility needs guidance or training on a specific reference testing topic, please contact our Operations Manager. For a list of available consultation topics, visit the Clinical Consultation section. 

Performing Locations

The majority of our tests are performed at our main reference laboratory at Houston Methodist Hospital in the Texas Medical Center. If you are interested in reference services at one of our sister hospitals, please contact our Operations Manager for more information.

1. Houston Methodist Hospital (Medical Center)
   Client Services Phone Number
   (713) 441-4411
   (855) 522-3282 (LAB-DATA)
   After Hours, Weekends & Holidays
   (713) 441-4411
   (855) 522-3282 (LAB-DATA)
   
   
2. Houston Methodist Sugar Land Hospital
   Client Services Phone Number
   (713) 441-4411
   (855) 522-3282 (LAB-DATA)
   After Hours, Weekends & Holidays
   (281)274-7040
   
   
3. Houston Methodist West Hospital
   Client Services Phone Number
   (832) 522-4400
   (855) 522-3282 (LAB-DATA)
   After Hours, Weekends & Holidays
   (832) 522-4400
   
   
4. Houston Methodist Willowbrook Hospital
   Client Services Phone Number
   (713) 441-4411
   (855) 522-3282 (LAB-DATA)
   After Hours, Weekends & Holidays
   (281) 737-1210
   
   
5. Houston Methodist Baytown Hospital
   Client Services Phone Number
   (713) 441-4411
   (855) 522-3282 (LAB-DATA)
   After Hours, Weekends & Holidays
   (281) 428-4369
6.  
8. Houston Methodist Clear Lake Hospital
   Client Services Phone Number
   (713) 441-4411
   (855) 522-3282 (LAB-DATA)
   After Hours, Weekends & Holidays
   (281) 333-8844
10.  
11. Houston Methodist The Woodlands Hospital
    Client Services Phone Number
    (713) 441-4411
    (855) 522-3282 (LAB-DATA)
    After Hours, Weekends & Holidays
    (936) 270-2727
12.  

New York State Testing

Methodist Diagnostic Laboratories does not perform testing for institutions in New York State.