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Lab Dept:
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Other Fluids
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Test Name:
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LACTATE, CSF
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General Information
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Lab Order Codes:
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LACU
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Synonyms:
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Lactic Acid, Cerebrospinal Fluid
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CPT Codes:
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83605 - Lactate
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Test Includes:
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CSF lactic acid in mmol/L
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Logistics
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Test Indications:
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Useful for the diagnosis and treatment of lactic acidosis and to evaluate central nervous system disorders.
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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#: 8921)
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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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1 – 3 days
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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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CSF
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Container:
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Screw capped, sterile vial
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Draw Volume:
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0.5 mL CSF
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Processed Volume:
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Same as Draw Volume
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Collection:
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Routine CSF collection. Immediately place tube for this testing on ice. Transport to the laboratory immediately.
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Special Processing:
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Lab Staff: Process specimen immediately. Remove aliquot. Store and ship frozen. Forward promptly. Note: Place order for this test directly in Mayo Access.
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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
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Interpretive
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Reference Range:
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No reference ranges available
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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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Vitros slide method
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References:
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Mayo Medical Laboratories Web Page July 2012
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Updates:
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6/16/2004: Test moved from Fairview University Diagnostic Laboratories to Mayo Medical Laboratories. Note: Change in reference range previously ≥16 years: 1.1-2.2mmol/L. Change in reference range previously Colorimetric reflectance spectrophotometry (lactate oxidase).
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