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Order NowThe Reverse T3 Test uses one routine blood draw to check the markers it covers. The Reverse T3 (rT3) blood test is used to help determine if an individual has "nonthyroidal illness syndrome" or "sick euthyroid syndrome" ...
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Frequently Asked Questions
What is a reverse t3 test?
A reverse t3 test is a diagnostic screening that The Reverse T3 Test uses one routine blood draw to check the markers it covers. The Reverse T3 (rT3) blood test is used ...
How do I prepare for a reverse t3 test?
Follow the lab's instructions.
How long do reverse t3 test results take?
Most reverse t3 test results are available within 1-3 business days.
Can I do a reverse t3 test at home?
Yes, many providers offer at-home reverse t3 test kits that can be ordered online and mailed back for analysis.
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