Microfilaria Detection

Microfilaria Detection

This test is appropriate if the suspected microfilaria is wucheria bancrofti, loa loa, Brugia malayi, Brugia timori, Mansonella perstaris, or Mansonella ozzardi.

Preferred Specimen(s) 3 mL whole blood, Slide smear

Instructions Store the slide in the slide box only after the smear has dried up.

Transport Container EDTA vial (lavender-top) tube, Slide box

Transport Temperature Room temperature

Reject Criteria Received frozen

Methodology Geimsa Stain, Microscopic Examination

Clinical Significance Detection of microfilariae in blood was the standard approach to diagnosing lymphatic filarial infection (or loiasis), and it is the one still required today for both brugian filariasis and those situations where the antigen detection test is not available for bancroftian filariasis.

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