Diagnostic Laboratory of Oklahoma

Preparing for your Patient Service Center (PSC) visit

To receive lab work, you'll need a lab order from your healthcare provider, or an order purchased through QuestHealth.com.

Appointments and Wait Times

Appointments are not required but are prioritized over walk-in visits. To schedule an appointment, visit the webpage your preferred Patient Service Center location and select the “Make an Appointment” option. PSCs are typically busiest during the early morning hours.

Lab Results

Lab results are sent directly to your healthcare provider and made available through MyQuest™, Quest Diagnostics’ online patient portal provided by DLO. To learn more about MyQuest™ or create an account, visit the link above. For a personal copy of your lab results, contact DLO Customer Service at 1-800-891-2917 (Option 2). Most routine test results are available within 24 hours; some specialized tests may take days or weeks.

Billing and Insurance

The cost of laboratory testing may vary. For billing questions, contact the DLO Billing Department at 1-800-891-2917 (Option 6). DLO files insurance claims with contracted in-network providers. Non-contracted plans may be out-of-network, affecting patient responsibility. See Insurance List for accepted plans.

What services are offered

Routine Lab Testing, Biometrics, Blueprint For Wellness, COVID-19 testing (antibody and PCR), DOT Electronic CCF, Drug Screening, Glucose Tolerance, Hair Collections, Insurance Exams, NIDA (DOT) Collections, Non-Regulated Electronic CCF, Pediatric Testing, Phlebotomy Services, QuantiFERON TB Gold Plus, QuestHealth Self-Ordered Testing, Sap Non-DOT Collections, T-SPOT.TB.

COVID-19 PCR testing note

COVID-19 PCR testing is available at a DLO Patient Service Center; patients with symptoms may be asked to reschedule if they have active flu-like symptoms.