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Lab Dept:
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Chemistry
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Test Name:
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PREALBUMIN
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General Information
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Lab Order Codes:
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PRAB
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Synonyms:
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Transthyretin
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CPT Codes:
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84134 - Prealbumin
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Test Includes:
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Prealbumin concentration reported in mg/dL.
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Logistics
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Test Indications:
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Prealbumin is a short-lived, rapid responder to nutritional adequacy and a transport protein for thyroxine and Vitamin A. An elevated concentration is associated with renal insufficiency and steroid administration.
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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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2 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 plasma/serum
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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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Age:
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Range:
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Normal newborn (0 - 4 days):
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4.7 - 18.7 mg/dL
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4 days - 3 months:
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15.9 - 24.4 mg/dL
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>3 months:
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21.2 - 42.4 mg/dL
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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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Particle Enhanced Turbidimetric Immunoassay (PETIA)
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References:
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Jacobs and DeMott Laboratory Test Handbook (2001) Lexi-Comp, Inc., Hudson, OH, 5th ed
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PALB Flex reagent cartridge insert sheet (02-19-2008) PN 7170810.001-US Rev.D
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Updates:
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12/22/2011: Turnaround time updated, previously listed as 1 day.
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