Liquid chromatography-tandem mass spectrometry (LC-MS/MS)
Rejection Criteria
Hemolysis Lipemia
Reference Range(s)
By Report
Specimen Requirements
Preferred Specimen
Serum separator tube
Minimum Volume
0.6 mL serum
Sample Stability
3 days room temperature 7 days refrigerated 6 months frozen
Transport Temperature
Frozen
Collection Instructions
3 mL serum. Allow SST to clot in an upright position for
at least 30 minutes, then centrifuge sample within 2 hours
of collection. Transfer serum to a plastic transport tube.
Clearly label tube as serum. Freeze.
When multiple tests are ordered, submit separate tube for
this test.