Also known as: Free T3, FT3
Specimen requirements
Adult sample type: Serum (gold/yellow top SST)
Paediatric sample type: Plasma (orange top paediatric tube)
Collection requirements: No special requirements
Cost
Price on application
Turnaround time
Analytical method
Immunoassay - Indirect / Competitive
Analysis undertaken at these site(s)
- John Radcliffe Hospital
- Horton General Hospital
Reference intervals
Males
0-1yr: 3.56-7.48 pmol/L
2-11 yrs: 4.29-7.69 pmol/L
11-14 yrs: 4.44-6.65 pmol/L
15-17 yrs: 3.46-5.92 pmol/L
>17 yrs: 3.00-5.40 pmol/L
Females
0-1yr: 3.56-7.48 pmol/L
2-11 yrs: 4.29-7.69 pmol/L
11-14 yrs: 3.84-6.06 pmol/L
15-17 yrs: 3.55-5.70 pmol/L
>17 yrs: 3.00-5.40 pmol/L
