Coming soon

Lab services are not currently available. We're working to bring Feelrx Labs online soon — everything below is a preview of what's coming.

Individual Labs/Thyroid Function

Quest / Thyroid Function

TSH with Reflex to Free T4

This test first measures TSH, the hormone that regulates thyroid function. If TSH is found to be outside the normal range, the lab automatically performs a follow up test to measure Free T4 - the unbound, active form of thyroxine. This reflex approach...

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What this lab measures

This test first measures TSH, the hormone that regulates thyroid function. If TSH is found to be outside the normal range, the lab automatically performs a follow up test to measure Free T4 - the unbound, active form of thyroxine. This reflex approach...

One individual marker · Quest · Clinician reviewed

How testing works

  1. Order online

    Choose your marker and add a brief medical history so your result has context from the first draw.

  2. Visit a partner lab

    Take your order to a certified Quest location for a short blood draw.

  3. Clinician review

    A licensed clinician reviews your result and shares clear interpretation with next steps.

FAQ

After ordering, visit a certified Quest partner location for a short blood draw. No insurance is required.

Feelrx / Start here

Know your baseline.

Order a panel online, draw at a certified partner lab, and receive a clear clinician review.

Coming Soon