Thyroxine, Free
| Free T4, FT4, T4 | |
| Core Laboratory & Transfusion Medicine | |
| Biochemistry | |
| Blood | |
|
FT4S2, FT4P2
|
Assisting in the diagnosis of primary and secondary thyroid function disorders, non-thyroidal illness and TSH resistance syndrome.
Monitoring response to therapy in hyperthyroid or thyroid cancer patients.
Monitoring response to therapy in hyperthyroid or thyroid cancer patients.
Serum, Plasma
0.5 mL
Room Temperature: 5 days
Fridge: 7 days @ 2-8°C
Freezer: 30 days @ -20°C
Roche cobas e 602, immunoassay
24 hours a day, 7 days a week
1 hour
3 hours
12 - 22 pmol/L
In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.
In case of discrepancies, always interpret results using reference ranges as stated on laboratory reports and/or electronic patient chart.
416-586-4800 extension 4688