Gulfstream Diagnostics stands at the forefront of toxicology and pharmacogenomics, providing physicians, counselors and addiction recovery centers around the country with reliable and expedient results. Based in Dallas, Texas, Gulfstream Diagnostics’ state-of-the-art lab features Beckman Coulter®, Agilent Technologies®, Douglas Scientific® and Tecan® instrumentation, allowing for the most comprehensive and accurate analyses possible.