Specimen Collection Requirements
Patient must fast for 8-14 hours before fasting blood is drawn. Patient is given 75 g glucose before timed specimens are drawn.
Serum, one 5.0 mL gold (SST) or 7.0 mL red top tube
Supply Item Number - 101235 or 101192
Allow serum to clot completely at room temperature (minimum -SST: 30 minutes, red top tubes: 60 minutes). Centrifuge and separate serum from cells ASAP.
0.5 mL Serum (1.2 mL minimum whole blood draw)
- Grossly hemolyzed specimens
- Plasma specimens
- Specimens frozen and thawed more than once
AFTER SEPARATION FROM CELLS: Room Temperature (18-26°C): 8 hours; Refrigerated (2-8°C): 24 hours; Frozen (≤ -20°C): 2 months. Do NOT freeze/thaw specimens more than once.
30 minutes post 75g glucose challenge: 20.0 - 112.0 µIU/mL
Thursday, February 11, 2021 07:38:26 PM
Client Services: 503-413-1234