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Methodology: Immunodiffusion (ID)
Edit Date: 6/11/2010
Performed: Monday-Friday
Released: 2-5 days after setup at PeaceHealth Laboratories’ reference lab.
CPT Code: 86628-90
Specimen Collection Details
Collection: One 7.5 mL serum separator tube (SST).
Handling: Allow to clot, centrifuge and separate serum from cells and pour into a plastic vial immediately. Refrigerate.
Stability: 48 hours ambient, 14 days refrigerated, or 1 year frozen. Avoid repeated freeze/thaw cycles.
Standard Volume: 0.5 mL serum.
Minimum Volume: 150 µL serum.
Transport: Refrigerated.
Rejection Criteria: Plasma; body fluids.

None detected.

Serum from healthy individuals and patients with mucocutaneous candidiasis generally does not have positive immunodiffusion tests. Approximately 88% of immunologically competent patients with visceral candidiasis will demonstrate one or more precipitin bands. Two to nine bands have been associated with serum from patients with systemic infections. Generally, the greater the number of bands, the more severe the infection (except with immunocompromised patients).

PeaceHealth Laboratories