Patients
General Inquiries:
Local: (405) 608-6100
Toll Free: 1 (800) 891-2917 (Option 2 for Customer Service)
Billing Inquiries:
Do you have a question regarding a DLO bill or invoice? Call 1-888-241-7742 (option 1 for English/2 for Spanish, then option 5) and speak to a billing specialist today or for additional help or support with your bill, contact Customer Service by clicking on the button below. To help us assist you as quickly as possible, please include helpful details such as your invoice number, date of service, and a valid phone number and email address. A billing representative may reach out if additional information is needed.
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.
