- Direct fluorescent antibody
Direct fluorescent antibody (DFA or dFA) (also known as "Direct immunofluorescence") is a laboratory test that uses antibodies tagged with fluorescent dye that can be used to detect the presence of microorganisms. This method offers straightforward detection of antigens using fluorescently labeled antigen-specific antibodies. Because detection of the antigen in a substrate of patient sample (cellular smear, fluid or patient- inoculated culture medium) is the goal, DFA is seldom quantitative.
This is the main test used to detect rabies in animals and requires the examination of brain tissue.
- Lupus band test
Medical test: Immunologic techniques and tests (CPT 86000-86849) Immunologic techniques
and tests ·
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