Contact Us


If you would like to render payment over the phone with one of our representatives, please contact us at 844.290.5307. Our business hours are 8:30 am-7:00 pm CST.

Thank you.


Our Client Services team

We’re here to help

Our knowledgeable Client Services team is dedicated to giving you the best customer experience, going above and beyond to solve any issues that may arise and answer any questions you have about our processes, your case, or your results. 

At Inform Diagnostics, we treat each case with the utmost care, as if it were our own family, neighbor, or loved one. That’s why client service is part of everything we do—from the pathologist to physician interaction, to the timely, definitive patient diagnosis.

Our Client Services team is available for your questions Monday–Friday, 7 am–7 pm Central time. Please call us at one of the phone numbers below or use our contact form.

For general questions or help with our anatomic pathology services:

PHONE 866.588.3280
FAX 866.688.3280

For help with hematology/oncology services:

PHONE 855.856.0656
FAX 855.856.0655

Our Client Services for hematology are available 24 hours a day for emergencies and after-hours pickups.

Questions about your bill?

Billing hours of operation are Monday–Friday,
8:30 am7 pm Central time.

Patients, please visit Pay My Bill.

Practices/centers, please choose an online payment option or call us at 1.888.FULGENT.

Contact us

Patients, please visit Pay My Bill.


Interested in becoming an Inform Diagnostics client?

Click the button below if you are a healthcare provider and would like to become a part of the Inform Diagnostics family. 

Inform Diagnostics headquarters & laboratory

Our Locations

Laboratories nationwide

Headquarters & Laboratory

6655 N. MacArthur Blvd.
Irving, TX 75039
Map [+]
PHONE 866.588.3280
FAX 866.688.3280

Office & Laboratory

4207 E. Cotton Center Blvd.
Phoenix, AZ 85040
Map [+]
PHONE 602.648.8900
FAX 866.688.3280

Office & Laboratory

15 Crawford St., Suite 100
Needham, MA 02494
Map [+]
PHONE 857.229.1506
FAX 617.969.3393