Skip to content
Find My Test

Blood Spot Thyroids from ZRT Laboratory

Labbrary Test GradeStrong
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 thyroid hormones and related antibody markers using a blood spot sample.

Current price
$129
Sample
Blood, Finger Prick
Turnaround
3 to 5 days
Access
At Home, Clinician Authorized, Mail In
Evidence & Key Facts
Source collectedLast source check August 25, 2026

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

Best for

Endocrine, Thyroid

Standout strength

The official ZRT patient store documents the exact profile, current price, sample types, and included measurements.

Important watch-out

Internet orders are prohibited in Maryland and New York, and California orders require a licensed provider.

Blood Spot Thyroids from ZRT Laboratory
Labbrary Test GradeStrong
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 thyroid hormones and related antibody markers using a blood spot sample.

Current price
$129
Sample
Blood, Finger Prick
Turnaround
3 to 5 days
Access
At Home, Clinician Authorized, Mail In
Evidence & Key Facts
Source collectedLast source check August 25, 2026

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

Best for

Endocrine, Thyroid

Standout strength

The official ZRT patient store documents the exact profile, current price, sample types, and included measurements.

Important watch-out

Internet orders are prohibited in Maryland and New York, and California orders require a licensed provider.

Labbrary+

The Test Grade. The Reason Behind It.

Strong overall documentation and usefulness, with limitations worth comparing before purchase.

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 GradeStrong

Next step

Review the panel or ask your clinician

This panel requires a licensed healthcare provider. Review the official details, then ask your clinician whether it is appropriate and how to order it.

View Official Panel DetailsView ZRT Laboratory profile

Scope, both directions

Inside the Panel. Beyond the Name.

Named measurements

  • Thyroid-stimulating hormone (TSH)
  • Free triiodothyronine (Free T3)
  • Free thyroxine (Free T4)
  • Total thyroxine (Total T4)
  • Thyroid peroxidase antibodies (TPOab)
  • Thyroglobulin (Tg)

Measured categories and focus areas

  • Hormones
  • Endocrine
  • Thyroid

Important limits and omissions

  • The current official evidence does not include confirmation beyond this documented limit: Internet orders are prohibited in Maryland and New York, and California orders require a licensed provider. If this detail affects your choice, verify it with the provider before ordering.

The full breakdown

Eight Dimensions.
One Named Result.

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

Method indicated by the exact offer name (LCMS/ICPMS); no offer-specific analytical performance published. ZRT Laboratory is CLIA-certified (lic 38D0960950); exact performing facility is provider-wide and not assigned per offer. Limitation: No additional limitation was recorded in the authority row.

Offer identity matches the catalog record: kit B-220, blood spot specimen. Limitation: No additional limitation was recorded in the authority row.

Complete named analyte inventory (6 measured biomarkers) reconciled against the exact ZRT listing. Limitation: No additional limitation was recorded in the authority row.

Results delivered electronically with age-adjusted reference ranges via the myZRT provider portal; ZRT does not provide clinician interpretation of results. Limitation: No additional limitation was recorded in the authority row.

No unresolved source conflicts for this offer. Limitation: No additional limitation was recorded in the authority row.

At-home self-collection kit with licensed-physician authorization; NY and MD internet orders not processed; CA requires a California-licensed professional order. Limitation: No additional limitation was recorded in the authority row.

Price 129 USD confirmed via the Labbrary document-verified record; no HSA or FSA eligibility evidence; checkout terms limited. Limitation: No additional limitation was recorded in the authority row.

No product-specific data retention or destruction schedule published by ZRT. Limitation: No additional limitation was recorded in the authority row.

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 August 25, 2026.View source
Source 2Recorded for this record. Last source check August 25, 2026.View source
Source 3Recorded for this record. Last source check August 25, 2026.View source
Source 4Recorded for this record. Last source check August 25, 2026.View source
Source 5Recorded for this record. Last source check August 25, 2026.View source

True total cost

The Price. Plus the Details.

Pricing for Blood Spot Thyroids
ItemCurrent disclosed priceNote
Panel$129Ask the ordering clinician or provider to confirm the complete cost.
HSA/FSA paymentNot confirmedHSA/FSA payment eligibility has not been confirmed from provider documentation.
Optional servicesNot confirmedClinician review, subscriptions, and retesting discounts are listed only when documented.

Price status. A current panel price has not been confirmed. Ask the ordering clinician or provider to confirm testing, collection, shipping, and consultation fees.

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

  • The official ZRT patient store documents the exact profile, current price, sample types, and included measurements.

Watch-outs

  • Internet orders are prohibited in Maryland and New York, and California orders require a licensed provider.

Take it with you

The Test Truth Card

The key facts from this review in one compact card.

Keep deciding

Blood Spot Thyroids and Dried Urine ICPMS Iodine

ZRT Laboratory

Strong

Measures iodine and related elemental markers using blood spot and dried urine samples.

Price
$179
Turnaround
5 days
See Labbrary reviewView Official Panel Details
Labbrary+

Cortisol & Stress Test

Everlywell

Useful

Examines measurements related to sex hormones so results can be reviewed in the appropriate health context.

Price
$99
Turnaround
Not confirmed
See Labbrary reviewView Exact Panel on Provider Site
Labbrary+

Longevity Essentials Panel

SiPhox Health

Strong

The foundation of longevity starts with knowing where you stand today. This panel evaluates the key markers tied to energy, heart health, hormone balance, and nutrition, giving you actionable insights to protect your health over the long run.

Price
$149
Turnaround
10 days
See Labbrary reviewView Exact Panel on Provider Site
Labbrary+
Compare
Run a Pre-Buy AuditExplore All TestsFind My Best-Fit Tests

Verification History

August 25, 2026Recorded source date.Source collected

Affiliate disclosure. Some outbound links may earn Labbrary a commission. Affiliate relationships never influence a Test Grade.

LABBRARY / FREE NEWSLETTER

Keep Your
Curiosity Informed.

New tests. Meaningful updates. Smarter questions to ask before you buy. Get Labbrary's free newsletter in your inbox.

Free to join. No account needed. Privacy Policy