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Entamoeba histolytica Antibody (IgG), ELISA
Test Code34278
CPT Codes
86753
Preferred Specimen
1 mL serum
Minimum Volume
0.25 mL
Transport Temperature
Room temperature
Specimen Stability
Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days
Refrigerated: 14 days
Frozen: 30 days
Methodology
Enzyme Linked Immunosorbent Immunoassay (ELISA)
Setup Schedule
Set up: Wed, Sat; Report available: 1-4 days
Clinical Significance
Serologic studies may be helpful in the diagnosis of invasive intestinal and extraintestinal amebiasis. Eighty-five percent of patients with biopsy-proven invasive intestinal amebiasis are positive for E. histolytica IgG and over 95% of patients with extraintestinal amebiasis are positive. Sera may remain positive 6-18 months following invasive disease. Asymptomatic carriers of E. histolytica cysts are usually negative for E. histolytica IgG.
