Patients
General Inquiries:
Local: (405) 608-6100
Toll Free: 1 (800) 891-2917 (Option 2 for Customer Service)
Billing Questions:
1 (866) 254-3859
Email Billing Customer Service
MyQuest Support
For questions about your MyQuest™ account, visit MyQuest™ online or email MyQuest™ support by clicking on the button below.
MyQuest™ Support Email
Find a location near you:
Visit our Locations page or download a list of all DLO locations by clicking on the button below
DLO Patient Service Center locations
Health Care Professionals
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 Pick Up:
Local: (405) 608-6100 (Option 3)
Toll Free: 1 (800) 891-2917 (Option 3)
Client Billing:
1 (888) 321-0155
IT Support Help Desk:
1 (800) 697-9302
Supplies:
Local: (405) 608-6100 (Option 4)
Toll Free: 1 (800) 891-2917 (Option 4)
Download the Supply Request Form
Sales:
Local: (405) 608-6100 (Option 5)
Toll Free: 1 (800) 891-2917 (Option 5)
Diagnostic Laboratory of Oklahoma
225 NE 97th St.
Oklahoma City, OK 73114
** This location is our company headquarters and is NOT a draw site. Please visit our Patient Service Center Locations page to find the draw site nearest to you.
Send a Message to DLO
Please use the form below to submit a message to DLO. We greatly value the voice of our patients and health care providers.