Clínic Barcelona. Hospital Universitari

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Screening drugs of abuse, urine (GC/MS)

Fee code: 57902

Components: Drugs investigated in urine by gas chromatography - mass spectrometry (GC-MS): amphetamine and derivatives (MDMA, MDA, methamphetamine, methylphenidate); synthetic cathinones (mephedrone, 2-CMC, alpha-PVP); ephedrine and derivatives; opiates (morphine, codeine, 6-MAM, methadone, tramadol); cocaine and metabolites; ketamine and metabolites; methoxetamine; scopolamine, atropine, dextromethorphan. The screening does not include acidic drugs: cannabinoids, acidic research chemicals or benzodiazepines.


Marina Parra Robert

Method description

Gas chromatography - mass spectrometry (GC-MS)

Delivery time

5 days

Note to delivery time



Specimen type


Specimen volume

6 mL

Specimen minimum volume

2 mL

Collection instructions

Fresh urine after the drug consumption

Preanalytic treatment


Transport conditions


Rejection criteria

Adulterated or diluted urine (creatinine < 30 mg/dL), insufficient volume of sample


Interpretative results report in case of positive screening.

Reference values

Values Units   Age  
Screening drugs of abuse Positive / Negative      

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Biomedical Diagnostic Center (CDB)

Villarroel, 170 · 08036 Barcelona
Tel: +34 93 227 54 64 · Fax: +34 93 227 98 75 · ·