Shipping Policies

  • No PO Boxes - a physical address is required for delivery.
  • Orders typically ship within two business days but date & time of order shipment or delivery is not guaranteed.
  • Requests for overnight delivery must be received by 11am Pacific Time to ship the same day, do not include weekends or holidays, and may not be available in all areas.
  • It is the receiver's responsibility to pay any sales and/or country taxes, international import fees and custom duties.
  • New York and Maryland residents: Due to special restrictions, no orders will be shipped to the states of New York or Maryland.
  • California  residents: Due to special restrictions, no pre-paid orders will be shipped to the state of California without authorization from a health care professional licensed in California to order lab testing.
  • Average delivery times do not include weekends or holidays. See chart below.

Delivery Type

Average Delivery Time


5-7 days


2-3 days


2 days

Next Day

1 day

International (incl. Canada)

5-10 days

Return Policies

  • Shipping fees are non-refundable.
  • The original Test Requisition must be returned to ZRT Laboratory before any refunds can be issued.
  • Credit card refunds can take up to 30 days to be processed.  
  • Refunds requested 120 days or more after the original order will be issued in the form of a check.