Tube Type:
Green top (sodium or lithium heparin) tube.
NO GEL tubes.
Cause for Rejection:
Specimen collected in gel tube.
Methodology:
Quantitative Analysis by Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Special Instructions:
Please have patient fast a minimum of 4 hours prior to collection. Please include family history, clinical condition (acute episode or asymptomatic), diet, and drug therapy information.
For Outpatients, send specimen by courier STAT to Hospital Laboratory.