Free Thyroxine (fT4) - Blood Spot Test Kit - HrtORG

Free Thyroxine (fT4) - Blood Spot Test Kit

Regular price
$79.00
Sale price
$79.00
Free shipping • In Stock

  • Description

Free Thyroxine (fT4) - Blood Spot Test Kit - Single Test in Blood Spot

Thyroxine is the main hormone produced by the thyroid. Free T4 (fT4) measures the bioavailable level of T4 and is a good indicator of thyroid output by the thyroid gland. (Blood Spot Test)

How Does It Work?

  • Step 1

    Order the test kit online and a complete materials package will be delivered to your door.

    1
  • Step 2

    Follow the instructions for the collection of saliva, blood, or urine and return samples via prepaid shipping label.

    2
  • Step 3

    Get results quickly and discreetly through a secure online portal or have a physical copy sent directly to you.

    3

Why Test With Us?

  • Highest Testing Standards

    We use the most up-to-date collection methods to secure blood, urine, and saliva samples for shipment and testing. Our at-home test kits and methodologies meet the highest standards for both quality and validity.

  • Certified Testing Labs

    CLIA (Clinical Laboratory Improvement Amendments) certified laboratories are used to receive and evaluate test samples. This ensures strict adherence to both state and federal guidelines with regular inspections from applicable government agencies.

  • Key Facts About The Lab

    Operating for over 20 years with over 8 million tests completed. Developed three distinct hormone testing methods. Partner with the CDC and NIH on research.

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