Contact

  • At DLO, we are happy to provide 24/7 customer support to patients and healthcare professionals across the state. Whether you’re a patient with questions about a bill or invoice, or a healthcare professional needing clarification on a test or specimen requirements, we always have someone available to assist you.

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.

Address

As we usher in 2025, it presents a perfect opportunity to prioritize our well-being and set meaningful health goals.  The New Year often inspires us to rethink our health and wellness strategies, and with the right support, it can be easier than ever to achieve our aspirations.

As the holidays approached, Diagnostic Laboratory of Oklahoma (DLO) set an ambitious target to provide over 4,000 meals to those in need throughout the state.  Partnering with the Regional Food Bank of Oklahoma, the DLO team mobilized to tackle food insecurity during this vital