Laboratory Test DirectoryShare
Vitamin C (Ascorbic Acid), Serum NY State
|Methodology:||Liquid Chromatography/Tandem Mass Spectrometry (LC/MS-MS)|
Patient Preparation: Overnight fasting is preferred. Refrain from taking vitamin C supplements or fruits 24 hours prior to sample collection.
Collect: Red Top Tube OR Plasma Heparin (Green) - 1 ml serum or plasma.
Specimen Preparation: Allow blood to clot refrigerated. Separate serum or plasma from cells as soon as possible following collection. Keep specimen on ice. Transfer serum or plasma a plastic transport tube before freezing. Protect specimen from light. If amber tubes are unavailable, cover standard transport tube completely, top and bottom, with aluminum foil.
Storage/Transport Temperature: Freeze immediately and protect from light.
Stability: Frozen : 1 month
Causes for Rejection: Not light protected; EDTA plasma; lithium heparin plasma; thawed samples; lipemic; hemolysis; received room temperature; received refrigerated
NOTE: * This test is approved for New York patients ONLY, please refer to test code 0993 for specimen requirements for all other States . *
LabCorp Laboratory Corporation of America