Tube Type:
Green top (sodium heparin) tube or Lavender top (EDTA) 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.