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Drug Abuse Screen 7, with Confirmation, Serum [19767X]
Test Code46772
CPT Codes
80307
Includes
Amphetamines, Barbiturates, Benzodiazepines, Cocaine Metabolites, Marijuana Metabolites, Opiates, PCP (Phencyclidine)
Preferred Specimen
10 mL plasma collected in a sodium fluoride or sodium fluoride/potassium oxalate (gray-top) tube
Minimum Volume
5 mL
Other Acceptable Specimens
10 mL whole blood collected in sodium fluoride or sodium fluoride/potassium oxalate (gray-top) tube • Serum collected in a red-top tube (no gel)
Transport Temperature
Plasma and whole blood: Refrigerated (cold packs)
Serum: Frozen
Serum: Frozen
Specimen Stability
Plasma and whole blood
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 30 days
Serum
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 30 days
Room temperature: 24 hours
Refrigerated: 7 days
Frozen: 30 days
Serum
Room temperature: Unacceptable
Refrigerated: Unacceptable
Frozen: 30 days
Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Serum separator tube (SST)
Methodology
Chromatography • Gas Chromatography/Mass Spectrometry (GC/MS) • Immunoassay (IA)
Setup Schedule
Set up: Mon-Sat; Report available: 3 days
Reference Range
See Laboratory Report
Clinical Significance
The serum or plasma concentration of a drug is measured as a guide to individualization of therapy. Additionally, the problem of noncompliance with prescribed medications during continuing therapy, particularly in the pain management field, is an elusive cause of therapeutic failure.
