Customer Service: 866-788-9007

Customer Service: 866-788-9007

Customer Service: 866-788-9007

Order a Test

New Customers:

  1. You can download a requisition form and sample report for any of our tests via the test menu on the right side of this page.
  2. The test report is typically delivered within 5 days from specimen receipt at our CLIA-certified, CAP-accredited laboratory.

Returning Customers:

  1. Download the appropriate requisition form via the test menu on the right side of this page.
  2. Fill out the requisition form, sign it, and fax the form and applicable documents to 866-329-2224.
  3. You can download a sample report for any of our tests via the test menu on the right side of this page.

 Receiving Test Results:

  1. Reports are issued via fax followed by hard-copy mailing.
  2. For customers who prefer to receive test reports through our HIPAA-compliant secure healthcare provider portal (PHYSICIAN LOGIN link at top corner of this page), please contact Customer Service at 866-788-9007 for instructions and login credentials.

Online Ordering is Now Available:

  1. For customers who are interested, online ordering, digital reporting, and order tracking is available via our HIPAA-compliant secure healthcare portal. 
  2. Click on the PHYSICIAN LOGIN to register for an online account.
NOTE: ONLY A PHYSICIAN, PHYSICIAN’S ASSISTANT OR NURSE PRACTITIONER CAN ORDER A CASTLE TEST.