DRUG SCREEN PANEL 3, serum (087-0683)
Synonyms: Serum Drug Screen
CPT 4 Code: 80100
Test Order Mnemonic: DRG3 S
Test Includes: (Quant) Barbiturates*,
Benzodiazepines*, Tricyclic Antidepressants*
*As a class
Lab: Clinical Chemistry
Request Form: Special Chemistry Form 2.
Collection: Routine venipuncture. Cleaning of puncture
site should be performed with a non-alcoholic solution. Collect one red-toped tube.
Storage Instructions: Red-topped tube: Centrifuge
the specimen, separate serum from red cells and refrigerate.
Availability: Samples are received 24 hours per day
at Sample Management, 5.136 McCullough.
Turnaround Time: Routine: 24 hours; STAT: 1 hour
Special Instructions: Indicate suspected drug(s) if
possible.
Specimen: Blood
Volume: 7mL whole blood
Minimum Volume: 1mL serum
Container: Red-topped tube
Reference Ranges: Barbiturates, Benzodiazepines and
TCA: Negative.
Critical Values: Tricyclic Antidepressants: >200
ng/mL (Doxepin and metabolites) or >400 ng/mL (other Tricyclic Antidepressants) may be
toxic and quantitation by HPLC is recommended.
Reviewed/revised April 2007 by P. Harris
