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Lab Dept:
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Chemistry
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Test Name:
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SALICYLATE LEVEL
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General Information
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Lab Order Codes:
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SALI
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Synonyms:
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Aspirin level; ASA Level; Acetylsalicylic Acid
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CPT Codes:
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80196 - Salicylate
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Test Includes:
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Salicylate concentration reported in mg/dL.
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Logistics
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Test Indications:
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Aspirin has analgesic, antipyretic, and anti-inflammatory properties. Measurement of serum salicylate concentration is important in diagnosis and treatment of overdose and in monitoring therapy.
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Lab Testing Sections:
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Chemistry
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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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4 hours
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Special Instructions:
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N/A
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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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Green top (Li Heparin) tube preferred
Alternate tube: Red top (plain, no gel) tube
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Draw Volume:
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0.6 mL blood
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Processed Volume:
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0.2 mL serum/plasma
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Collection:
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Routine venipuncture. Mix tubes containing anticoagulant by gentle inversion.
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Special Processing:
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Lab Staff: Centrifuge specimen, remove serum/plasma aliquot into a plastic sample cup. Store at refrigerated temperatures.
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Patient Preparation:
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None
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Sample Rejection:
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Mislabeled or unlabeled specimen
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Interpretive
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Reference Range:
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Therapeutic concentration: 2.8 - 29 mg/dL
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Critical Values:
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Toxic concentration: >30 mg/dL
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Limitations:
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Salicyluric acid cross reacts with this method.
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Methodology:
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Trinder Colorimetric
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References:
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SAL Flex® reagent cartridge insert sheet Siemens Healthcare Diagnostics Inc (2008-03-04) 717020.001 – US, Rev G
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Jacobs & DeMott Laboratory Test Handbook (2001) Lexi-Comp, Inc, Hudson, OH, 5th Edition
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Biorad Liquichek Unassayed Chemistry Control Product Insert, Bio-Rad Laboratories, Irvine, CA 92618
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