Test Overview
Test Methodology

Immunoassay, Gas Chromatography, and Gas Chromatography/Mass Spectrometry.

Test Usage

This gas chromatography screen of blood is a panel of tests designed to detect alcohol, benzodiazepines, barbiturates and a variety of other medications.

Reference Range *

Negative

* Reference ranges may change over time. Please refer to the original patient report when evaluating results.

Test Limitations

This assay does not routinely identify opiates, marijuana or cocaine. Urine is the preferred specimen for drugs of abuse testing.

Test Details
Days Set Up
Daily
Analytic Time

1 day

Soft Order Code
BLDSC
MiChart Code
Toxicology Screen, Blood
Synonyms
  • TADS
  • BLOOD DRUG SCREEN
  • ETOH2
  • GCMS2
  • ISOH2
  • MEOH2
  • SBARB
  • SBENZ
  • GC/MASS SPEC DRUG SCREEN
  • SERUM BARBITURATE SCREEN
  • SERUM BENZODIAZEPINE SCREEN
  • TRICYCLIC ANTIDEPRESSANT SCN
  • ETHANOL SCREEN
  • METHANOL SCREEN
  • ISOPROPANOL SCREEN
  • TCA Screen
Laboratory
Chemical Pathology
Section
Drug Analysis
Specimen Requirements
Collection Instructions

Collect blood in a red top or green top tube. Do not remove stopper from collection tube. Refrigerate and send intact specimen.

Normal Volume
3 mL plasma or serum
Minimum Volume
3 mL plasma or serum
Additional Information

Note that Urine is the preferred specimen for screening purposes. If a serum screen is necessary due to specimen procurement problems, the Serum Drug Screen includes Barbiturates, Benzodiazepines, and Volatiles (ethanol, methanol, and isopropanol).

Billing
CPT Code
80307
Fee Code
33297
LOINC
7000315 (SBARB 20421-4; SBENZ 3389-4; ETOH2 14336-2; MEOH2 5693-7; ISOH2 5669-7; GCMS2 20785-2)
Resources