Test Code TXSCR 
Methodology Enzyme Immunoassay (EIA)
Cloned Enzyme Donor Immunoassay (CEDIA) 
Description Screens for the following drugs/drug classes: amphetamines, barbiturates, benzodiazepines, cocaine metabolite, methadone, methadone metabolite, MDMA (Ecstasy), opiates, oxycodone, phencyclidine (PCP), propoxyphene, tetrahydrocannabinol, (THC) and ethanol. Positive test results are presumptive and are not confirmed. THIS TEST IS INTENDED FOR CLINICAL MONITORING AND MANAGEMENT OF PATIENTS. IT IS NOT INTENDED FOR NON-MEDICAL USE SUCH AS EMPLOYMENT OR FORENSIC TESTING.
Note: Specific gravity, pH, creatinine and oxidants will be performed and reported at no additional charge to identify potential adulteration of the urine specimen. 
Specimen 25mL (10.0 mL minimum) from a random urine collection in a non-sterile urine container. Send specimen refrigerated. 
Reference Values Not Detected

Screening cutoff concentration:
Amphetamines: 500 ng/mL
Barbiturates: 200 ng/mL
Benzodiazepines: 200 ng/mL
Cocaine (benzoylecgonine - cocaine metabolite): 300 ng/mL
Methadone: 300 ng/mL
Methadone metabolite: 1000 ng/mL
MDMA: 500 ng/mL
Opiates: 300 ng/mL
Oxycodone: 100 ng/mL
Phencyclidine: 25 ng/mL
Propoxyphene: 300 ng/mL
Tetrahydrocannabinol caboxylic acid: 50 ng/mL
Ethanol: 100 mg/dL 

Analytic Time 1 Day 
Day(s) Test Set Up Monday through Friday 
CPT Code(s) G0479  Drug test(s), presumptive by instrumented chemistry analyzers (Government payers, if appropriate)