High performance liquid chromatography-tandem mass spectrometry (HPLC-ms/ms)
Rejection Criteria
Room temperature samples Refrigerated samples
Reference Range(s)
Age and gender specific
Specimen Requirements
Preferred Specimen
Serum Separator Tube
Minimum Volume
0.5 mL serum
Sample Stability
6 months frozen
Transport Temperature
Frozen
Collection Instructions
When multiple tests are ordered, submit separate tube for
this test.
Alternative Specimen
0.5 mL EDTA (lavender top) or heparin (green top) plasma.
centrifuge sample and separate plasma from cells within 2
hours of collection. Transfer plasma to a plastic transport
tube. Clearly label tube as EDTA or heparin plasma.
