Diphenhydramine, Confirmation, Urine

TEST CODE

200805

CPT

80375

Expected
Turnaround Time

24-48 hours

Patient Preparation

Fasting specimen is preferred but not necessary

Specimen Requirements

Specimen

Urine

Volume

1 mL

Container

Urine: plastic cup or collection tubes with no additives

Preparation

Urine: Collect in plastic cup with no additive; transfer to collection tube is optional

Stability

Urine: Room Temperature - 1 week; Refrigerated - 3 weeks

Storage Instructions

Room temperature is acceptable for shipping and/or short-term storage (three days); refrigerated or frozen specimen is also acceptable

Methodology

LCMS/MS analysis with AB Sciex 6500 Qtrap

Rejection Criteria

Received outside stability window; Incorrect sample type; Incorrect collection device; name discrepancy; no name on sample

Diphenhydramine