Test Results For:
Free Tri-iodothyronine (FT3)
Test Overview
- Test Name
-
Free Tri-iodothyronine (FT3)
- Test Code
- FT3
Short Description
FT3
Test Name
Free Tri-iodothyronine (FT3)
Test Code
FT3
Category
Immunoassay
TAT
Main Lab:
4
Hour(s)
Family Site:
<5hrs, <4hrs
Specimen(s)
1 x Venous blood - 5 mL Tube - Gold - SST-Serum Separator Tube
Specimen Type
SST-Serum Separator Tube
Specimen Format
Tube
Specimen Colour
Gold
Specimen Volume
5 mL
Sampling Order
2
Origin
Venous blood
Collection Time after baseline
-
Transport Temperature
15-25°C
Accepted Other Specimens
Serum
TAT
Main Lab:
4
Hour(s)
Family Site:
<5hrs, <4hrs
Test Stability
Room Temp:
8 Hour(s)
2–8°C:
1 Day(s)
Methodology
-
Specimen Type
SST-Serum Separator Tube
Other Type of Specimen Accepted
Serum
Delay before pre-treatment
8
Transport temperature
15-25°C
Test stability at room temperature
8 Hour(s)
Test stability at 2–8°C
1 Day(s)
Haemolysis interference
No
Clinical Interest
Thyroid hormone. This test is used to detect thyroid pathology:
- A decrease in T4 and T3 levels and an increase in TSH levels indicate hypothyroidism.
- An increase in T4 and T3 and a drop in TSH indicates hyperthyroidism.
Clinical Information Required
Monitoring as part of treatment
Patient Collection Note
-
LOINC Code
126-3, 83126-3
Outwork
No