Optimize drug therapy and monitor patient adherence.
Quantitative Liquid Chromatography-Tandem Mass Spectrometry
Mon, Wed, Fri
Timing of specimen collection: Pre-dose (trough) draw - At steady state concentration.
Plain red. Also acceptable: Lavender (K2 or K3EDTA) or pink (K2 EDTA).
Separate serum or plasma from cells within 2 hours of collection. Transfer 1 mL serum or plasma to an ARUP Standard Transport Tube. (Min: 0.5 mL)
Whole blood. Gel separator tubes, light blue (citrate), or yellow (SPS or ACD solution).
After separation from cells: Ambient: 48 hours; Refrigerated: 1 week; Frozen: 1 month (avoid repeated freeze/thaw cycles)
Effective November 18, 2013
|Therapeutic Range:||0.5-2.0 ng/mL|
|Toxic:||Not well established|
Adverse effects may include extrapyramidal symptoms, seizures and neuroleptic malignant syndrome.
Laboratory Developed Test (LDT)
80342 (Alt code: G0480)
|Component Test Code*||Component Chart Name||LOINC|