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Chlorpromazine, Serum/Plasma
Test Code882Z
CPT Codes
80342 (HCPCS: G0480)
Preferred Specimen
3 mL serum collected in a red-top tube (no gel)
Minimum Volume
1.2 mL
Other Acceptable Specimens
Plasma
Instructions
Promptly centrifuge and separate serum or plasma into a plastic screw capped vial using approved guidelines
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 1 year
Refrigerated: 14 days
Frozen: 1 year
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum separator tube (SST) or PST
Methodology
Gas Chromatography (GC)
Setup Schedule
Set up: As needed; Report available: 8 days
Clinical Significance
Chlorpromazine is a phenothiazine for treating psychosis and Tourett's syndrome. Monitoring it's level is important to optimize therapy, to avoid toxicity, and to assure compliance.
