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Lab Dept:
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Chemistry
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Test Name:
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IgD (IMMUNOGLOBULIN D)
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General Information
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Lab Order Codes:
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IGD
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Synonyms:
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Immunoglobulin D
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CPT Codes:
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82784 – Gammaglobulin
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Test Includes:
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IgD level reported in mg/dL.
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Logistics
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Test Indications:
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Provides important information on the humoral immune status. Changes in IgD concentration are used as a marker of changes in the size of the clone of monoclonal IgD plasma cells.
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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 (MML Test # 9272/IGD)
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Phone Numbers:
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MIN Lab: 612-813-6280
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STP Lab: 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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1 – 3 days, test performed Monday through Saturday
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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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Red top tube
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Draw Volume:
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3 mL (Minimum: 1.5 mL) blood
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Processed Volume:
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1 mL (Minimum: 0.5 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 refrigerated temperatures. Forward promptly.
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Patient Preparation:
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None
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Sample Rejection:
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Mislabeled or unlabeled specimens; gross hemolysis
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Interpretive
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Reference Range:
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≤10 mg/dL
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Critical Values:
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N/A
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Limitations:
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An elevated IgD cannot be taken as evidence for a monoclonal IgD protein.
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Methodology:
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Nephelometry
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References:
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Mayo Medical Laboratories Web Page January 2013
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