Sometimes your sample will be taken in your doctor's office and sent out to a lab for testing. Other times your doctor will send you directly to a DLO Patient Service Center (PSC) for lab testing. With an extensive network of more than 45 PSCs and draw sites, you can find a location close to your doctor's office and where you live and work. To find a nearby PSC, please visit our Patient Service Center Locations page.
UPDATE: As of 14:40, the Phone System is back up and running. Feel free to call us at 1-800-891-2917 or locally at 405-608-6100. Thank you for your patience.
Important Notice: Phone System Outage
As we usher in 2025, it presents a perfect opportunity to prioritize our well-being and set meaningful health goals. The New Year often inspires us to rethink our health and wellness strategies, and with the right support, it can be easier than ever to achieve our aspirations.
As the holidays approached, Diagnostic Laboratory of Oklahoma (DLO) set an ambitious target to provide over 4,000 meals to those in need throughout the state. Partnering with the Regional Food Bank of Oklahoma, the DLO team mobilized to tackle food insecurity during this vital
