
Free T3 blood test · FT3
An individual determination of free triiodothyronine, abbreviated FT3.
Results within 8 hours

Rápido Lab photograph illustrating the laboratory environment.
A total T3 determination, retaining the laboratory’s TT3 technical identifier.
Results within 8 hours
Published analysis price. Venous collection is listed separately at €6.20; check whether it is included in your selection before agreeing the final amount.
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Rápido Lab · Les Corts ↗Total T3 includes free and protein-bound fractions. It is not equivalent to free T3 and does not on its own include other thyroid markers.
Laboratory catalogue nameTT3
These are the determinations identified for this product.
It is requested when a clinician needs total T3 for a specific thyroid assessment.
Total T3 appears in the total thyroid profile. The basic version names FT3, FT4 and TSH, without total T3.
Published analysis price. Venous collection is listed separately at €6.20; check whether it is included in your selection before agreeing the final amount.
Results within 8 hours
General information, not medical advice. Test selection and interpretation require professional guidance.