2 - 6 days
SEROTONIN, WHOLE BLOOD
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Liquid Chromatography Tandem Mass Spectrometry.
In conjunction or as an alternative to 5-HIAA or serum chromogranin A measurements as a first line test in the diagnosis of carcinoid syndrome.
<= 330 ng/mL
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Collect specimen in a lavender top tube.
Collect specimen in a lavender top tube. Transfer 2.5 mL of whole blood into Serotonin Whole Blood Transport tube (contains 20 mg ascorbic acid), mix well and freeze immediately. Do not over or under fill tubes.