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Laboratory Test Directory

Drugs of Abuse with THC Quant


Name Method Department Units
DOA with THC Quant Enzyme immunoassay (EIA)
Gas Chromatography/Mass spectrometry
Core Lab, Chemistry, Routine Negative or Positive

Battery Members

Meth/Amphetamine (1000 ng/mL), Barbiturates (200 ng/mL), Benzodiazepines (200 ng/mL), Cocaine metabolite (300 ng/mL), Opiates (300 ng/mL), THC (50 ng/mL) with THC Quant if positive

Specimen Requirements


Container Type Container Size Specimen Volume

Sterile container

N/A 10 mL

Refrigerated - 48 hour(s)
Room temperature - 1 hour(s)

Specimen Preparation

  • Seal collection container tightly after collection
  • Transport to laboratory as soon as possible
  • If delay in transport greater than 1 hour, refrigerate

Reasons for Rejection

  • Bacterial contamination
  • Collected in diaper or cotton balls
  • Contamination
  • Diluted specimen
  • pH not within specified limits
  • Wrong type of specimen


Drugs of Abuse screen with positive THC quantitated. THC quantitation performed only Monday through Friday. If PCP testing is requested, please see send out test XMIS.

CPT Code

  • 80307
  • 82542