Synonym(s):
|
Parasitology; filarial worm test; Loa loa test; Wuchereria test; Brugia test
|
Requisition Form
|
G-2B
|
Test Description
|
Microscopic
morphological examination for the detection and identification of microfilariae
|
Pre-Approval Needed
|
N/A
|
Supplemental Information Required
|
Travel
history; organism suspected
|
Supplemental Form(s)
|
N/A
|
Performed on Specimens from (sources)
|
Human |
Sample/Specimen Type for Testing
|
EDTA whole blood
|
Minimum Volume/Size Required
|
2 mL
|
Storage/Preservation Prior to Shipping
|
Ambient
temperature or refrigerated
|
Transport Medium
|
EDTA
|
Specimen Labeling
|
-
Two patient-specific identifiers required (e.g., patient full name, date of birth, Medical record number)
- Identifiers on specimen must exactly match submission form.
|
Shipping and Specimen Handling Requirements
|
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
|
Method
|
Microscopic
examination of a concentrate and giemsa stained smears (Knott’s concentration
procedure)
|
Turn-around Time
|
3 days
|
Interferences/Limitations
|
Some
worms demonstrate periodicity in the bloodstream, so blood draws should be
timed according to the organism suspected; call for instructions regarding
collection
|
Common Causes for Rejection
|
-
No specimen received
- Expired media
- No identifiers on container
|
Additional Information
|
- 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.
|
|
|