DRUG ABUSE SCREEN, SERUM
Although urine is the specimen of choice for drug screening, a serum drug screen can be performed when a urine specimen is unavailable.
Draw blood in a plain red-top tube. Spin, separate and refrigerate.
Alternate specimen: plasma/EDTA
Room Temperature 48 hours, Refirgerated 14 days, Frozen 14 days
1-3 days Performed Mon-Fri
DRUGS INCLUDED: AMPHETAMINES, BARBITURATES, BENZODIAZEPINES, COCAINE, ETHANOL, METHADONE, OPIATES, PHENCYCLIDINE, PROPOXYPHENE, THC (CANNABIS)