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Lab Dept:
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Serology
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Test Name:
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BLASTOMYCES ANTIBODY, CSF
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General Information
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Lab Order Codes:
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BABC
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Synonyms:
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Blastomyces Serology, CSF; Blastomyces Antibody, Spinal fluid
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CPT Codes:
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86612 x2 – Antibody; Blastomyces
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Test Includes:
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Complement fixation and immunodiffusion testing
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Logistics
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Test Indications:
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Useful for detection of antibodies in patients having blastomycosis.
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Lab Testing Sections:
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Serology - Sendouts
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Referred to:
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Mayo Medical Laboratories (Test# CBL)
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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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2 - 7 days; test is set up Tuesday - Friday and Sunday
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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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1 mL CSF
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Processed Volume:
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1 mL (Minimum: 0.3 mL) CSF
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Collection:
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Routine CSF collection
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Special Processing:
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Lab Staff: Store specimen refrigerated in a round-bottom, plastic vial. Send refrigerated. Forward promptly.
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Patient Preparation:
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None
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Sample Rejection:
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Specimens other than CSF, mislabeled or unlabeled samples
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Interpretive
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Reference Range:
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Complement fixation:
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Negative
Positives are reported in titer.
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Note: Test is positive in <50% of proven cases and rare in central nervous system disease.
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Immunodiffusion:
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Negative
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Critical Values:
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N/A
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Limitations:
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A negative result does not rule out blastomycosis..
Patients with histoplasmosis may have low-titered cross reactions.
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Methodology:
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Complement Fixation (CF)/Immunodiffusion
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References:
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Mayo Medical Laboratories November 2012
Phone: 1-800-533-1710
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