General Information

UPHSM LIS Test #: 026558
Testing Time: 3 - 10 Days
Testing Lab: Labcorp

Specimen Info
Only 1 specimen type required, unless otherwise specified

Volume: 7.0 mL
Temperature: Refrigerated
Tube Type: Serum
Collection Info:
Minimum Volume: 3 mL
Container: Red-top (no additive) tube; tubes with separator gels should NOT be used.
Collection: Serum should be separated from cells within two hours of venipuncture. Submit serum in a plastic transport tube.
Storage Instructions: Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.

Specimen Acceptability

Test Includes: Amphetamines; barbiturates; benzodiazepines; cocaine metabolite; ethyl alcohol; methadone; opiates; oxycodone; phencyclidine (PCP); propoxyphene; tetrahydrocannabinol (THC)


Initial presumptive testing by immunoassay at the following testing thresholds: amphetamines, 50 ng/mL; barbiturates, 0.1 μg/mL; benzodiazepines, 20 ng/mL; cocaine metabolite, 25 ng/mL; methadone, 25 ng/mL; opiates, 5 ng/mL; oxycodones, 5 ng/mL; phencyclidine (PCP), 8 ng/mL; propoxyphene, 50 ng/mL; tetrahydrocannabinol (THC), 5 ng/mL; presumptive positives confirmed to limit of quantitation by definitive chromatography mass spectrometry (GC/MS or LC/MS-MS). Initial presumptive testing for ethanol by enzymatic assay at a testing threshold of 0.020 gm/dL; presumptive positives confirmed by gas chromatography (GC).

Clinical Utilities

Detect the presence of abused and prescribed drugs.

CPT Codes


* The CPT codes provided are based on AMA guidelines and are for informational purposes only. CPT coding
is the sole responsibility of the billing party. Please direct any questions regarding coding to the payer being billed.