Specimen Requirements
Title
Hydroxyzine and Metabolite
Specimen Requirement
Collect Red top or Lavender EDTA. Centrifuge and transfer 1 mL serum or plasma to a transport tube, indicate specimen type on tube. Do not collect SST.
Methodology
High Performance Liquid Chromatography/Tandem Mass Spectrometry (LC-MS/MS)
Stability
Room temp: 30 days, Refrigerated: 30 days, Frozen: 2 years
Reference Range
By Report*
Turnaround
5-7 days
Clinical Use
Therapeutic drug monitoring.
Test Code
HYDCE