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Test Code Billings Clinic: 9540 Drugs of Abuse Screen, Urine

Important Note

  • Screens for the following drug classes: amphetamines, barbiturates, benzodiazepines, buprenorphine, cocaine, methadone, methamphetamine, opiates, oxycodone, phencyclidine, propoxyphene, THC and tricyclics.
  • Results are qualitative only.

  • For screening use only. Positive results should be confirmed by an alternative methodology.

Performing Laboratory

Billings Clinic Laboratory: Chemistry

Useful For

Screening test for drugs of abuse.

Methodology

Homogeneous Immunoassay

Specimen Requirements

10 mL from a random urine collection in a urine container.

Storage/Stability

Specimen Type Temperature Time
Urine Refrigerated (preferred) 2 days
  Frozen 2 weeks

 

Reference Values

None detected
Cut-off concentrations
Amphetamines:  500 ng/mL
Barbiturates:  200 ng/mL
Benzodiazepines:  150 ng/mL

Buprenorphine: 10 ng/mL
Cocaine:  150 ng/mL
Methadone: 200 ng/mL

Methamphetamine: 500 ng/mL

OPI Morphine:  100 ng/ml

OPI2 Morphine:  2000ng/ml

Oxycodone: 100 ng/mL
Phencyclidine:  25 ng/mL

Propoxyphene: 300 ng/mL

Tetrahydroxycannibinol: 50 ng/mL

Tricyclics: 300 ng/mL

Day(s) Test Set Up

Daily

Test Classification and CPT Coding

80306 - Drug test(s), presumptive, any number of drug classes, any number of devices or procedures (eg, immunoassay); read by instrument assisted direct optical observation (eg, dipsticks, cups, cards, cartridges), includes sample validation when performed, per date of service