Catalog ID DAS Drugs of Abuse Screen (Serum)
CPOE Test Name
Drugs of Abuse Serum; Serum Drug Screen
Synonyms
DAS
Specimen Type
Serum
Specimen Requirements
4 mL red top tube; 3 mL blood
Storage and Transport
Stable at room temperature
Reference Values
Screen : Negative; Confirmation Quantitation: See Reference Laboratory Reference Range Report
Interpretation
PRESUMPTIVE POSITIVE screening results indicate the possible presence of drug(s) from the drug class screened. Any PRESUMPTIVE POSITIVE result will be confirmed.
Causes for Rejection
Insufficient volume; improper labeling; wrong container
Turn Around Time
Urgent/Emergent 1 hour; Routine 2 hours; Confirmation 24 – 96 hours
CPT / HCPCS Code
80101 × 3
Performing Lab
Core Laboratory BI 2023 721-2120; Toxicology Laboratory BI-2007 721-0140
Methodology
Screen: Immunoassay; Confirmation: GC; HPLC
Test Consists
Qualitative screen for the presumptive presence of barbiturates, benzodiazepines and tricyclic antidepressant drug classes in serum. Presumptive positive screen results may be referred upon request for confirmation / quantitation by reference lab. Please contact Laboratory Receiving for details.