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Synonym(s):
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Parasitology; filarial worm test; Loa loa test; Wuchereria test; Brugia test
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Requisition Form
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G-2B
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Test Description
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Microscopic
morphological examination for the detection and identification of microfilariae
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Pre-Approval Needed
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N/A
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Supplemental Information Required
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Travel
history; organism suspected
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Supplemental Form(s)
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N/A
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Performed on Specimens from (sources)
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Human |
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Sample/Specimen Type for Testing
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EDTA whole blood
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Minimum Volume/Size Required
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2 mL
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Storage/Preservation Prior to Shipping
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Ambient
temperature or refrigerated
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Transport Medium
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EDTA
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Specimen Labeling
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Two patient-specific identifiers required (e.g., patient full name, date of birth, Medical record number)
- Identifiers on specimen must exactly match submission form.
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Shipping and Specimen Handling Requirements
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Ship samples: - according to Dangerous Good Regulations, IATA, and/or CFR 49
- handling as infectious agent using universal precautions
- triple-contained in accordance with federal shipping regulations for infectious agents
- as Biological Substance Category B
- cold on ice packs
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Method
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Microscopic
examination of a concentrate and giemsa stained smears (Knott’s concentration
procedure)
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Turn-around Time
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3 days
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Interferences/Limitations
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Some
worms demonstrate periodicity in the bloodstream, so blood draws should be
timed according to the organism suspected; call for instructions regarding
collection
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| Common Causes for Rejection
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No specimen received
- Expired media
- No identifiers on container
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Additional Information
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- Call Medical Parasitology at 512-776-7560
with questions about specimen collection and handling.
- Call
Lab Reporting at 512-776-7578 with questions about submission forms.
- Call
Specimen Acquisition at 512-776-7569 with questions about shipping.
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