Technique: 2 ml. (1 ml. Minimum) Serum from 1 SST (Gel Barrier Tube). Take specimen between 3 - 5 p.m. for evening sample.
Technique: 2-8C
Sample Collection Instruction: Diurnal variation present;
Specify time & date on sample tube
& test requisition form. 4 Hrs.
fasting is preferred for evening
