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Thyroid Panel (Total T4, T3 Uptake, Free Thyroxine Index) from Mito Health

Labbrary Test GradeUseful
Your Fit Score
Not calculated

Answer five questions to see how this panel matches your goals, budget, collection preferences, access, and support needs.

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Labbrary's review, Fit Score, and basic comparison are free. The provider's panel, shipping, collection, clinician review, and other services are separate. About 2 minutes. No account required.

Measures Total T4 and T3 Resin Uptake and calculates a Free Thyroxine Index to estimate free thyroid hormone. TSH is not included.

Current price
$8.85 from $18.35 with fees
Sample
Blood
Turnaround
1 to 2 days
Access
Direct Lab, Lab Visit, Order Online
Evidence & Key Facts
Source collectedLast source check September 8, 2026

Evidence basis. This named result reflects the sources and verification evidence listed on this page as of the date shown.

Best for

Thyroid

Standout strength

Includes Free Thyroxine Index (calculated), T3 Resin Uptake, Total T4.

Important watch-out

Labcorp: $15.15 without membership or $10.82 for members in other states and Washington, DC.

Thyroid Panel (Total T4, T3 Uptake, Free Thyroxine Index) from Mito Health
Labbrary Test GradeUseful
Your Fit Score
Not calculated

Answer five questions to see how this panel matches your goals, budget, collection preferences, access, and support needs.

Calculate my fit

Labbrary's review, Fit Score, and basic comparison are free. The provider's panel, shipping, collection, clinician review, and other services are separate. About 2 minutes. No account required.

Measures Total T4 and T3 Resin Uptake and calculates a Free Thyroxine Index to estimate free thyroid hormone. TSH is not included.

Current price
$8.85 from $18.35 with fees
Sample
Blood
Turnaround
1 to 2 days
Access
Direct Lab, Lab Visit, Order Online
Evidence & Key Facts
Source collectedLast source check September 8, 2026

Evidence basis. This named result reflects the sources and verification evidence listed on this page as of the date shown.

Best for

Thyroid

Standout strength

Includes Free Thyroxine Index (calculated), T3 Resin Uptake, Total T4.

Important watch-out

Labcorp: $15.15 without membership or $10.82 for members in other states and Washington, DC.

Labbrary+

The Test Grade. The Reason Behind It.

Potentially useful for the right buyer, with meaningful evidence, coverage, transparency, access, cost, terms, or privacy tradeoffs to review.

A lower grade does not mean a panel is a bad personal fit. Your Fit Score can be higher when its purpose, price, sample, access, or support matches what you need.

Explore the Full Methodology
Labbrary Test GradeUseful

Next step

Check the panel or research the provider

Prices, availability, and ordering requirements can change. Confirm the current details before purchasing.

View Exact Panel on Provider SiteView Mito Health profile

Scope, both directions

Inside the Panel. Beyond the Name.

Named measurements

  • Free Thyroxine Index (calculated)
  • T3 Resin Uptake
  • Total T4

Measured categories and focus areas

  • Hormones
  • Thyroid

Important limits and omissions

  • Applicable order or draw fees and order-specific refund terms need confirmation before payment.
  • Actual report ranges, uncertainty and decision thresholds remain unconfirmed.
  • Exact analytical performance and laboratory-specific specimen handling remain unconfirmed.

The full breakdown

Eight Dimensions.
One Named Result.

Open any row for the reasoning and evidence behind the named result.

Measurement quality is partial: exact offer names laboratory system(s) Labcorp; Quest Diagnostics and states collection at a CLIA/CAP-accredited lab. Exact performing facility, assay method, and offer-specific analytical performance are unpublished. A laboratory system name does not identify the exact facility. Limitation: Measurement quality is partial: exact offer names laboratory system(s) Labcorp; Quest Diagnostics and states collection at a CLIA/CAP-accredited lab. Exact performing facility, assay method, and offer-specific analytical performance are unpublished. A laboratory system name does not identify the exact facility. No score or grade assigned.

Symptoms of an over- or under-active thyroid: fatigue, weight change, temperature intolerance, palpitations, or mood changes Pregnancy, estrogen therapy, or oral contraceptives that shift thyroid-binding proteins and distort Total T4 Following up an abnormal thyroid result with a free-hormone estimate Tracking thyroid status while on thyroid hormone replacement or antithyroid medication. Limitation: No additional limitation was recorded in the authority row.

Measures: Mass concentration T3 Resin Uptake T3 resin uptake doesn't measure thyroid hormone directly. Limitation: Complete named list not re-verified against the current page in this pass.

Reviewed by a real clinician. Results arrive in your dashboard. Limitation: No additional limitation was recorded in the authority row.

$6.32 Member price | $8.85 Non-member. Limitation: Draw/order fees and order-specific exceptions may apply; confirm before payment.

Find labs near you; lab-drawn collection. Limitation: Local booking availability requires confirmation.

Cash price $8.85 non-member / $6.32 member. HSA/FSA eligible. Limitation: Exact-offer refund terms not stated on the product page; shared Terms of Service govern refunds and credits.

Mito Health Privacy Policy governs data handling: https://mitohealth.com/privacy. Limitation: Exact-offer data retention and sharing terms not stated on the product page.

What it asks of you

Sample and fulfillment journey

Order

Confirmed

Order online, choose an available laboratory for your state and confirm the complete price before paying. Membership is optional.

Panel-specific source · Source dated September 8, 2026

Collect

Confirmed

No fasting required. Tell your clinician or laboratory about thyroid medication and biotin supplements, and confirm the preparation and collection timing for your order. Attend a participating laboratory for blood collection.

Panel-specific source · Source dated September 8, 2026

Lab

Confirmed

Labcorp serves other states and Washington, DC. Quest Diagnostics serves other states and Washington, DC. BioReference serves New Jersey, New York and Rhode Island. Confirm your selected location.

Panel-specific source · Source dated September 8, 2026

Report

Confirmed

Results arrive in your dashboard after laboratory processing. Clinician-reviewed results are available without membership. Personalized action plans require membership; optional live consultations cost extra. Typical results in one to two days.

Panel-specific source · Source dated September 8, 2026

Under the hood

Follow the Evidence.

Every published claim should trace to a dated source. Missing evidence remains visible instead of being filled with assumptions.

Source 1Recorded for this record. Last source check September 8, 2026.View source
Source 2Recorded for this record. Last source check September 8, 2026.View source
Source 3Recorded for this record. Last source check September 8, 2026.View source
Source 4Recorded for this record. Last source check September 8, 2026.View source
Source 5Recorded for this record. Last source check September 8, 2026.View source

True total cost

The Price. Plus the Details.

Pricing for Thyroid Panel (Total T4, T3 Uptake, Free Thyroxine Index)
ItemCurrent disclosed priceNote
Panel$8.85Verify the checkout total, shipping, and collection fees before ordering.
Lab draw fee+ $9.50 to $15Per lab visit, added at checkout. One applies, depending on the lab you use: BioReference $9.50, Labcorp $11.50, Quest $15. Checked September 29, 2026. Source
Total at checkoutFrom $18.35Listed price plus the required fees above, before tax and any optional services.
HSA/FSA paymentConditional eligibilityHSA/FSA payment is offered for eligible tests. Confirm your plan requirements.
Optional servicesAt-home phlebotomist, $99Only if you choose it. Not included in the total. Checked September 29, 2026. Source

Price status. This record shows disclosed pricing. Checkout costs can change and should be verified before purchase.

Your data

Your Data. Your Questions.

Privacy details are scored only when source documentation is available. Unconfirmed retention, deletion, research use, or marketing practices remain unconfirmed.

Reading the labels

What Has Been Checked?

Source collected

Evidence labels stay separate from the Test Grade. They show how much source support exists for the evaluation.

The balance

The Strengths. The Tradeoffs.

Strengths

  • Includes Free Thyroxine Index (calculated), T3 Resin Uptake, Total T4.
  • Order online for blood collection at a participating laboratory.
  • Clinician-reviewed results are available without membership.

Watch-outs

  • Labcorp: $15.15 without membership or $10.82 for members in other states and Washington, DC.
  • Quest Diagnostics: $8.85 without membership or $6.32 for members in other states and Washington, DC.
  • BioReference: $13.75 without membership or $9.82 for members in New Jersey, New York and Rhode Island.
  • No fasting required. Tell your clinician or laboratory about thyroid medication and biotin supplements, and confirm the preparation and collection timing for your order.
  • Typical results in one to two days. Actual timing depends on laboratory processing.
  • Optional membership costs $9 per month and can be canceled anytime. Member prices require membership; tests can also be ordered at nonmember prices.
  • Optional live consultation costs $39 for members or $99 for nonmembers and is separate from the test fee.
  • Any applicable laboratory order or draw fee is itemized before payment. Confirm the complete total and order-specific refund terms.
  • Complete analytical performance, actual report ranges and uncertainty, and laboratory-specific specimen retention have not been confirmed.
  • This exact panel does not include TSH, so it is a focused T4 and index panel rather than a complete thyroid evaluation.
  • Free Thyroxine Index is calculated from the listed measurements.
  • T3 Resin Uptake is a binding-protein measurement, not a direct Total T3 measurement.

Take it with you

The Test Truth Card

The key facts from this review in one compact card.

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Price
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Verification History

September 8, 2026Recorded source date.Source collected

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