Centralized Core Laboratory:Chemistry
Green top (sodium heparin) or Lavender (EDTA) tube
1.5 mL (minimum 0.75 mL)
Cause for rejection:
Sent to reference lab
Liquid Chromatography - Tandem Mass Spectrometry (LC-MS/MS)
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.
Ref. range is age dependent; avail on patient report