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Lab Dept:
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Chemistry
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Test Name:
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TRAZODONE LEVEL
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General Information
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Lab Order Codes:
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TRAZ
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Synonyms:
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DesyrelŪ; Trazadone
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CPT Codes:
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80299 – Quantitation of drug, not elsewhere specified
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Test Includes:
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Trazodone concentration in ng/mL.
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Logistics
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Test Indications:
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Useful for therapeutic drug monitoring, monitoring patient compliance.
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Lab Testing Sections:
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Chemistry - Sendouts
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Referred to:
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Mayo Medical Laboratories (Test#:TRZ/9624)
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Phone Numbers:
Minneapolis:
Saint Paul:
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612-813-6280
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651-220-6550
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Test Availability:
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Daily, 24 hours
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Turnaround Time:
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2 – 9 days, test set-up Wednesdays
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Special Instructions:
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See Patient Preparation
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Specimen
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Specimen Type:
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Blood
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Container:
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Red top tube
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Draw Volume:
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9 mL (Minimum: 3.3 mL) blood
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Processed Volume:
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3 mL (Minimum: 1.1 mL) serum
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Collection:
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Routine venipuncture
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Special Processing:
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Lab Staff: Centrifuge specimen, remove serum aliquot into a screw-capped round bottom plastic vial. Store and ship at frozen temperatures. Forward promptly.
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Patient Preparation:
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Allow 12 hours after last dose following a minimum of 5 days on Trazodone.
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Sample Rejection:
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Mislabeled or unlabeled specimens
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Interpretive
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Reference Range:
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500 – 1100 ng/mL
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Critical Values:
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N/A
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Limitations:
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N/A
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Methodology:
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High Performance Liquid Chromatography (HPLC)
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References:
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Mayo Medical Laboratories Web Page September 2012
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Updates:
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3/11/04: Test moved from MedTox Laboratories to Mayo Medical Laboratories.
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