T3 TRIIODOTHYRONINE IN SERUM

Also known as: Total T3

What you need to know about study T3 TRIIODOTHYRONINE IN SERUM

Sample type Serum or plasma
Delivery time 8 hours
Do I need to fast? Sí

What is this study and what is it for?

Second-tier tests for hyperthyroidism in patients with low thyroid-stimulating hormone and normal thyroxine levels. Diagnosis of triiodothyronine toxicosis. This test is not useful for general screening when there is no clinical suspicion of hyperthyroidism.

What type of sample is needed?

Serum or plasma

Preparation / Instructions

4-hour fast Do not take multivitamins the day before

Delivery time

8 hours

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