Hydroxyzine, Urine

CPT: 80375
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Test Details


  • Atarax®
  • Hyzine®
  • Vistaril®
  • Vistazine®


Detect presence of hydroxyzine, a sedating antihistamine


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

Specimen Requirements


Urine (random)


10 mL

Minimum Volume

1.2 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
811653 Hydroxyzine (Vist.,Atarax),U 808333 Urine Hydroxyzine NG/ML 11240-9
811653 Hydroxyzine (Vist.,Atarax),U 808334 Urine Hydroxyzine N/A

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