New Online Invoice and Payment Processing Service:

Through our affiliation with Quest Diagnostics, DLO is proud to offer a brand new online invoice and payment processing service to Oklahoma healthcare professionals

To enroll for this new service, visit questdiagnostics.com/ebill.*

With this new online service, you can:

Save Time

Our online service lets you eliminate the need to enter data, file, copy and scan our invoices. This leads to reduced processing time and increased efficiencies in adjustments, approval routing and invoice processing.

Take Control

Our online service offers you broad flexibility in managing the entire accounts payable process, ranging from optimized workflow and approval processes to improved cycle time and cash management.

Benefit from the Convenience

Our online service makes processing our invoices easier than ever.

• Access your statements and invoices anytime

• Perform quick audits

• Download invoices into your system

• Improve data management and analysis

• Reduce clerical handling and manual check processing

Online Bill Pay: If you are not interested in registering for our invoice and payment processing service at this time, and would like to simply process a one-time bill payment, please click here.*

Billing Questions: If you have a question regarding a DLO bill or statement, please call DLO client services department at 1-888-321-0155.

*Clicking these links will take you to the website of Quest Diagnostics, the nation’s leading provider of diagnostic testing, information and services. Through our unique affiliation, DLO is able to offer many of Quest Diagnostics online services as a resource to Oklahoma healthcare professionals and patients.