Reference Interval:
0.00-0.89 IV: Negative - No significant level of Echinococcus IgG antibody detected.
0.90-1.09 IV: Equivocal - Questionable presence of Echinococcus IgG antibody detected. Repeat testing in 10-14 days may be helpful.
1.10 IV or greater: Positive - Presence of IgG antibody to Echinococcus detected, suggestive of current or past infection.
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| Interpretive Data: |
Patients with collagen vascular diseases, hepatic cirrhosis, schistosomiasis, and other parasitic infections can produce false-positive results. There is a strong cross-reaction between echinococcosis- and cysticercosis-positive sera.
Seroconversion between acute and convalescent sera is considered strong evidence of recent infection. The best evidence for infection is a significant change on two appropriately timed specimens where both tests are done in the same laboratory at the same time.
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| CPT Code(s): |
86682
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