Laboratory Test DirectoryShare
Vitamin B1 (Thiamine), LC/MS/MS, NY State
|Methodology:||Liquid Chromatography/Tandem Mass Spectrometry (LC/MS-MS)|
Patient Preparation: Overnight fasting is preferred. Patient is to be restricted from alcohol, coffee, tea, raw fish, liver, pork, sausage and vitamins for at least 24 hours before sample collection.
Collect: Lavender (EDTA) OR Red Top Tube - 1 ml plasma or serum.
Specimen Preparation: Remove plasma or serum within 4 hours of collection and transfer to a light protected pour off tube and freeze tube immediately. Alternately, transfer tube can be used if wrapped in aluminum foil.
Storage/Transport Temperature: CRITICALLY FROZEN
Stability: Frozen : 1 month
Causes for Rejection: Samples not protected from light or shipped at room or refrigerated temperature are unacceptable.
Quest Diagnostics Nichols INST