Methodology
Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
Specimen Type
Serum
Performing Lab
Quest Diagnostics Valencia
Lab Test Days
Monday, Tuesday, Thursday, and Friday
Standard TAT
4-6 Days
Collection Information
Specimen Required
4 mL Blood
Container Type
Red Top (No Additive)
Collection Instructions
Plasma collected in an EDTA (lavender-top) tube, sodium heparin (dark green-top) tube or lithium heparin (dark green-top) tubes are also acceptable.
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp: 24 Hours; Refrigerated: 5 Days; Frozen:
Rejection Criteria
Gross hemolysis; Gel barrier/Serum Separator Tube
Test Volume Required
2 mL Serum
Minimum Test Volume
1 mL Serum
Included Tests
Norclozapin and Clozapine
CPT Codes
80159
Revised
06-27-13
Initials
SL