Contact Us
At DLO, we are happy to provide 24/7 customer support to patients and healthcare professionals across the state. So, 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 standing by.
For Patients
General Inquiries:
Oklahoma City: 405.608.6100
Tulsa: 918.294.5300
Toll Free: 1.800.891.2917
Billing Questions:
1.888.241.7742
Lab Locations:
Visit our location finder for address, phone number and hours of operation for a specific Patient Service Center.
For Healthcare Professionals
Client Services & General Inquiries:
Oklahoma City: 405.608.6100, Option 2
Tulsa: 918.294.5300, Option 2
Toll Free: 1.800.891.2917, Option 2
Specimen Pick Up:
Oklahoma City: 405.608.6100, Option 3
Tulsa: 918.294.5300, Option 3
Toll Free: 1.800.891.2917, Option 3
Billing:
1.888.321.0155
IT Support Help Desk:
1.800.697.9302
Supplies:
Oklahoma City: 405.608.6100, Option 4
Tulsa: 918.294.5300, Option 4
Toll Free: 1.800.891.2917, Option 4
Sales:
Oklahoma City: 405.608.6100, Option 5
Tulsa: 918.294.5300, Option 5
Toll Free: 1.800.891.2917, Option 5
Lab Locations:
Visit our location finder for address, phone number and hours of operation for a specific Patient Service Center.