Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Mayo Medical Lab
Tuesday; 8 A.M.
2-3 mL Whole Blood
Whole blood collected in a sodium heparin (green-top) tube is also acceptable. Specimens collected following a meal can exhibit postprandial elevations. For infants, collect a specimen immediately prior to feeding to avoid this.
Room Temp: Unacceptable; Refrigerated: 72 Hours; Frozen: Unacceptable
3 mL Whole Blood
2 mL Whole Blood
Order in Mayolink and send with Mayo courier Monday-Friday. Must be received at Mayo within 72 hours.