Thyroid Hormone-binding Ratio (THBR)
5 days
ECLIA
Accredited Laboratory Partner
Contact Technical Support
Measures binding capacity of thyroid-binding proteins. Assists in interpreting total T4 levels.
Serum (preferred) or Plasma
1 mL
Red-top tube, gel-barrier tube, or green-top (lithium heparin) tube.
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.
Do not use oxalate, EDTA, or citrate Plasma.
| Temperature | Period |
|---|---|
| Room temperature | 14 days |
| Refrigerated | 14 days |
| Frozen | 14 days |