T3, Total Blood Test

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Feature	Labcorp	Quest Diagnostics
Price	$18.99	$6.49
Results in	~2 business days	~5 business days
Sample type	Blood Serum	Blood Serum
Require fasting	No	No

About the test

T3, Total measures the total amount of triiodothyronine in the blood, including both bound and unbound forms. It helps assess thyroid function and is particularly useful in evaluating cases of hyperthyroidism.

Included biomarkers & Reference ranges

Biomarker	Reference range
T3, Total Measures total triiodothyronine (T3), including both bound and unbound hormone, used in thyroid function evaluation.	76–181 ng/dL

Reference ranges vary by lab, age, and sex (M/F). Your report shows your exact range. Click any biomarker to see its optimal range and what your results mean.

How it works

1. Order online No referral or insurance
2. Get a requisition By email in 24–72 hours
3. Visit a draw center Bring a matching photo ID
4. Get results Securely by email

These statements have not been evaluated by the Food and Drug Administration. This product is not intended to diagnose, treat, cure, or prevent any disease.

Consultations

Not sure how to read your results? We can help.

Schedule a consultation with a Hormunity specialist. We’ll walk through every marker, interpret what it means for you, and map out the next steps for your care.

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