Thyroid Function Tests, TFT, Thyroid Function Cascade
24 hours
Electrochemiluminescence Immunoassay (ECLIA)
Accredited NRL Laboratory
Daily
This panel contains Thyroid Stimulating Hormone (TSH), Free Thyroxine (FT4) and Free Triiodothyronine (FT3) and is useful as a screening tool for the investigation of thyroid disorders.
Serum or Plasma
1.5 mL
Serum (SST; Gold Top or Plain; Red Top), Plasma (Li-hep; Green Top)
No special preparation is required for this test. You may eat, drink, and take your medications as normal, unless instructed otherwise by your healthcare provider.
This test does not require any special collection or pre-analytical handling. Follow routine specimen collection protocols.
| Temperature | Period |
|---|---|
| Refrigerated | 14 days |