How Can We Help?
DLO provides support for patients and healthcare professionals across Oklahoma. Choose the section below that best matches your needs, or send us a message and we'll direct your question to the appropriate team.
Patients
Need help with your DLO experience?
Our Customer Service team can help with general questions, billing, MyQuest™ support and finding a DLO Patient Service Center.
General Questions
Local:
(405) 608-6100
Toll Free:
1 (800) 891-2917
Option 2 for Customer Service
Billing Questions
Have a question about a DLO bill or invoice?
Billing:
1-888-241-7742
Option 1 for English or Option 2 for Spanish, then Option 5
For additional help with your bill, please contact Billing Customer Service.
MyQuest™ Support
Questions about your MyQuest™ account or accessing your lab results?
Find a DLO Location
Find a Patient Service Center near you or view our complete list of locations.
Healthcare Professionals
Need assistance with your DLO account, specimens, supplies, billing or sales?
Our Client Services team can help direct you to the appropriate DLO resource.
Client Services & General Inquiries
Local:
(405) 608-6100
Option 2 for Customer Service
Toll Free:
1 (800) 891-2917
Option 2 for Customer Service
Specimen Pickup
Local:
(405) 608-6100 — Option 3
Toll Free:
1 (800) 891-2917 — Option 3
Client Billing
IT Support Help Desk
Supplies
Local:
(405) 608-6100 — Option 4
Toll Free:
1 (800) 891-2917 — Option 4
Sales
Local:
(405) 608-6100 — Option 5
Toll Free:
1 (800) 891-2917 — Option 5
DLO Headquarters
Diagnostic Laboratory of Oklahoma
225 NE 97th St.
Oklahoma City, OK 73114
Please note: This is our company headquarters and is not a Patient Service Center. To find a location where you can have your laboratory testing performed, please visit our Patient Service Center Locations page.
Send a Message to DLO
Have a question or need assistance? Use the form below to send a message to DLO. Please provide as much detail as possible so we can direct your inquiry to the appropriate team.
