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Coccidioides Antibody (IgG), Immunodiffusion, Serum
Test Code908
CPT Codes
86635
Preferred Specimen
1 mL serum
Minimum Volume
0.2 mL
Transport Container
Transport tube
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Immunodiffusion (ID)
Setup Schedule
Set up: Tues-Sat; Report available: 3-6 days
Limitations
False-negatives may occur in patients with solitary pulmonary lesions. Patients with active histoplasmosis may generate cross reactions. Elevated serum antibodies may be present in patients with meningeal coccidiocomycosis.
Reference Range
Negative
Clinical Significance
Infection by Coccidioides immitis can produce a spectrum of disease with most patients being asymptomatic and some developing disseminated disease including pneumonia and meningitis.
