Accounts & billing

Hours (PST): 8 a.m. to 5 p.m. Monday-Friday
Saturdays 8 a.m. to noon deliveries only
Closed Sundays
Contact us 509-335-9696 or
Mailing address: P.O. Box 647034 Pullman, WA 99164-7034

Log in to the CoreOne online client portal to track the status of your test, get test results, view invoices and statements, make a payment online.

Are you a new client? Create an online account to purchase tests and access your results. You will receive an email with a link to log into the online client portal.

Test results

Log in to the online portal to view your test results.

Pay online

View account balances and pay your bill.


Once your results are ready, you’ll receive an email and when you log on to view your results, the payment information is displayed on the upper left side of your homepage. 

We accept Visa, MasterCard, Discover, Dina Card, BCcard, and American Express. 

Do not write your bankcard number on any submission paperwork or online process. 

Invoices and statements

Invoices are emailed shortly after the results are sent. If you pre-paid or have multiple invoices, the balance on your account may be different than your invoice. 

Statements listing all invoices and payments for the prior month are emailed on the first of each month.

Questions? Contact us at or call 509-335-9696.