Department: 
Biochemistry
Tube Colour: 
Light Green
Gold
Pseudonyms: 
FT4, Tetra Iodothyronine (Free)
Test Code: 
FT4
Availability: 
Daily
Collection Requirements: 
4.5 ml Lithium Heparin or 8.5 ml Serum
Requires own tube?: 
No
Reference Range: 
9.0 - 19.0 pmol/L