Blood
Fasting status not required.
50 gram glucose drink to be administered to patient.Blood sample is collected one hour later.
1 x 5 mL light green (mint) top PST tube. Gold top SST tube is also acceptable.
0.2 mL heparinized plasma or serumPediatric: 0.1 mL serum
Guidelines suggest testing between 24th and 28th week of gestation.
For Diabetes Clinical Practice Guidelines, please see:www.diabetes.ca/cpg2003.