Billing and Insurance Information

Each insurance plan is different but many insurance companies will cover the cost of DNA Specimen Provenance Assay (DSPA). Strand Diagnostics bills your Medicare and/or commercial insurance companies directly for you. We are here to answer any questions you may have regarding the know error® system and the Strand Diagnostics billing process. We can be reached Monday through Friday, 8:00 a.m. to 5:00 p.m. ET at 1-888-924-6779, option 1.

Submitting a payment:

Pay Online

Online payments can be made securely through PayPal with your PayPal account or with a credit card. Click here to begin.


Pay By Mail

Please submit payment by check (do not send cash) payable to Strand Diagnostics and send to:

Theranostix Inc. DBA Strand Diagnostics
Attn: Patient Financial Services
5770 Decatur Blvd, Suite A
Indianapolis, IN 46241


Pay By Phone

Payments may be made by credit card by calling Strand Financial Services at:
1-888-9BIOPSY (924-6779), Option 1.

Hours of operation are 8:00a.m. – 5:00p.m. ET, Monday-Friday.