Patients and Providers - The Tecumseh Crossings Patient Service Center, located at 3321 West Tecumseh Rd., Norman, OK, is temporarily closed on Thursday, May 7, 2026, and will resume normal business hours on Friday, May 8, 2026. To find another conveniently located Patient Service Center, please go to dlolab.com/dlo-locations or download our Patient Service Center guide for a complete view of our service centers and draw sites. Thank you for your understanding.
Please note: Walk-ins are always welcome, but patients with appointments will be given priority. Additionally, to receive lab work, you'll need a lab order from your healthcare provider, or an order purchased through QuestHealth.com.
Services
- Routine Lab Testing
- Biometrics
- Blueprint For Wellness
- COVID-19 Antibody Testing
- COVID-19 PCR Testing*
- DOT Electronic CCF
- Drug Screening
- Glucose Tolerance (please allow up to 3 hours before closing)
- Hair Collections
- Insurance Exams
- NIDA (DOT) Collections
- Non-Regulated Electronic CCF
- Pediatric Testing
- Phlebotomy Services
- QuantiFERON TB Gold Plus Tuberculosis Testing
- QuestHealth® Self-Ordered Testing
- Sap Non-DOT Collections
- T-SPOT.TB (specimen must be collected by noon)
* COVID-19 PCR testing at a DLO Patient Service Center is for asymptomatic patients or patients exhibiting mild, cold-like symptoms. Patients who are exhibiting active flu-like symptoms, including fever, may be asked to reschedule their appointment.

