Test Information:
Total T4 measurement is a useful clinical diagnostic tool when the thyroid functions need to be tested for differentiating between euthyroid,hyperthyroid, and hypothyroid conditions.
Specimen Container:
Gold Top SST Tube (with clot activator) or Red Top Tube (Plain) – USE PLASTIC TUBE
Specimen Type:
Serum
Required Volume:
2 mL
Patient Preparation:
No Patient Preparation
Notes:
N/A (Not Applicable)
Storage & Stability
(Before Processing)
- Storage: 2 to 8°C
Stability: 8 days - Storage: 20 to 25°C
Stability: 4 days - Storage: – 20°C
Stability: 1 year
FREEZE ONLY ONCE!
Transport Temperature:
Ref (2˚C – 8˚C)
Test Category:
Routine
Test Schedule:
Daily
Results Availability:
Within 4 hours