Convenient online payment options for all Optimus Labs services.
Select the correct payment portal based on when you received your lab services.
If you received Optimus Labs services on or after July 1, 2023, please use XiFiN to pay your balance online securely.
Questions? Call: 305-320-4332
Pay with XiFiNIf you received Optimus Labs services prior to July 1, 2023, please use Papaya to pay your balance online.
Questions? Call: 305-320-4332, Option 4
Pay with PapayaOur billing team is available to assist with insurance questions, payment plans, and billing disputes. We believe no patient should avoid necessary testing due to financial concerns.