1 mL Serum
- Fasting is recommended
- Tubes should be centrifuged and aliquoted within 2 hours of collection
- Do not take Metamizole (Dipyrone) immediately prior to drawing
blood. This could results in false low results for Cholesterol and
Red-top tube (no additive).
Alternative: Serum gel separator tube.
Can be performed on plasma - use an EDTA (purple-top) or Heparin (green-top) tube.
Clear plastic serum/plasma transfer vial
Minimum Specimen Volume
0.5 mL Serum
Room temperature: 10 days
Refrigerated: 14 days
Frozen: 21 days
37°C/99°F: not tested
1 - 3 days