Technique: 3 ml (1.5 ml Minimum) Serum from 1 SST (Gel Barrier Tube) drawn between 8- 10 a.m. In a fasting condition
Technique: (-20C) in dry ice.
Sample Collection Instruction: Allow blood to clot. Separate serum in precooled tube and freeze immediately within 30 minutes. Haemolysed samples are not acceptable.