Tandem Mass Spectrometry
Serum or Plasma
UCSD Biochemical Genetics
LAB815
Monday-Friday
12-16 Days
2 mL Blood
Light Green (Lithium Heparin PST)
Plasma collected in sodium heparin (green-top) tube is also acceptable. Serum collected in a red-top or serum separator tube (SST) is also acceptable but only as an alternative if needed.
Frozen-Only
1 mL Plasma
0.5 mL Plasma
Centrifuge, separate serum or plasma within 20 minutes, and promptly freeze. Complete UCSD Biochemical Genetics requisition and submit with specimen frozen.
Carnitine total, free, and esterified.
82379
01-18-15
SL