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Lab Dept:
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Hematology
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Test Name:
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PARASITE, QUANTITATIVE BLOOD
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General Information
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Lab Order Codes:
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PARQ
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Synonyms:
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Quantitative malaria, Babesia, Ehrlichia
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CPT Codes:
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85044 – Reticulocyte count, manual
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Test Includes:
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# of infected RBC’s, total RBC’s and % of infected RBC’s
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Logistics
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Test Indications:
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Useful for detecting infection with a blood parasite. Since infection with blood parasite cannot be ruled out by a single blood sample, blood for detecting parasites should be collected as follows:
On admission or when first suspected of parasitic infection.
This test is performed on all positives until parasites are no longer seen on the peripheral smear.
If a patient is experiencing cyclic fevers, collect the specimen a half-hour prior to the next onset of fever.
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Lab Testing Sections:
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Hematology
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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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Specimen must arrive within 1 hour of collection.
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Specimen
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Specimen Type:
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Whole blood
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Container:
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Lavender top (EDTA) tube
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Draw Volume:
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2 mL (Minimum 0.5 mL) blood
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Processed Volume:
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Same as Draw Volume
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Collection:
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Routine venipuncture. Fill to mark on tube or MicrotainerŽ. Mix well by gentle inversion.
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Special Processing:
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Lab Staff: Do Not centrifuge. Specimen should remain as whole blood in original collection container.
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Patient Preparation:
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None
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Sample Rejection:
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Improper tube; clotted sample; underfilled tube; mislabeled or unlabeled specimens
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Interpretive
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Reference Range:
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Manual Miller Disc: 0 %
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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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Manual Count using a Miller Disc
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References:
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Children’s Hospitals and Clinics Hematology Laboratory, October 2004
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