Billing Information

RDL Reference Laboratory is the Nation’s Premier Rheumatology Laboratory and many tests offered by RDL are proprietary and are only available commercially through us.

RDL’s mission is to ensure that our high-quality testing is
affordable and accessible to the patients who need our services.

Payments & Questions
To make a payment by credit card, please click here:
For any billing related questions, contact us directly toll free at 1-800-338-1918 Mon-Friday 6 am to 5:00 PM PST to answer your questions.
Note: Always indicate an ICD-10-CM diagnosis code for all insurances. For a list of the most common ICD-10 diagnostic codes please click here: ICD-10