Serum Separator Tube, Transfer Tube- Serum, Plain Red Top Tube
Turn Around Time
Sample collection systems from various manufacturers may contain differing materials which could affect the test results in some cases. When processing samples in primary tubes (sample collection systems), follow the instructions of the manufacturer.
Patients who are taking methotrexate, carbamazepine, phenytoin, nitrous oxide, anticonvulsants, or 6-azuridine triacetate, may have higher levels of Hcy due to metabolic interference with Hcy metabolism.
4 days at 15-25 °C
4 weeks 2-8 °C
10 months at -20°C