Helping Texas fight back the Corona Virus Pandemic, with fast & accurate testing and returning to normalcy! i. Texas Diagnostic Laboratories is a fully licensed & equipped CLIA certified clinical diagnostic laboratory. ii. Located in central Houston, with multiple drive-thru collection sites for your convenience. iii. Unmatched test results within 24 to 48 hours (after receiving specimen at the lab) All tests are performed using FDA & CDC-approved latest equipment and test kits.