ATTENTION PATIENTS AND PROVIDERS - DLO's South Medical Plaza Patient Service Center, located at 4221 S. Western Ave., Suite 4030, OKC, is closed on Wednesday, March 25, 2026, and will reopen at its normal time on Thursday, March 26.
To find another convenient DLO Patient Service Center or Draw Site, please visit the Locations Page or view the PSC Guide for a list of all DLO PSCs 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.
