Lorazepam Confirmation, Quantitative, Urine

CPT: 80346
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Test Details


  • Ativan®


Detect presence of lorazepam, a benzodiazepine sedative and anticonvulsant


Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Specimen Requirements


Urine (random)


20 mL

Minimum Volume

10 mL


Plastic urine container without preservative

Storage Instructions

Submission/transport (<3 days): Room temperature. For storage beyond three days, specimen should be refrigerated or frozen.

Causes for Rejection

Urine from preservative tube


Order Code Order Code Name Order Loinc Result Code Result Code Name UofM Result LOINC
808025 Lorazepam (Ativan), Urine 17088-6 808026 Lorazepam, Urine ng/ml 17088-6
808025 Lorazepam (Ativan), Urine 17088-6 808027 Lorazepam (Ativan), Urine N/A

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