Echinococcus Antibody, IgG, Serum by Elisa

Abbrev Code:ECHAB   
Order Code:LAB1234Order Name:Echinococcus Antibody IgG by ELISA
Methodology:Enzyme-linked immunosorbent assay
CPT Codes: 86682 x1
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported in 2-6 days
Special Instructions:Parallel testing is preferred. Label samples as acute or convalescent. Convalescent specimens must be received within 30 days from receipt of the acute specimens.

Collection Instructions

Optimal Volume:2 mL
Minimum\Peds Volume:0.5 mL
Container:Red or gold (gel)
Alternate Containers: Red (no gel)
Causes for Rejection:Severe lipemia, plasma; contaminated specimens

Processing and Shipping

Specimen Processing:Separate serum from cells ASAP. Aliquot 1 mL, 0.15 mL minimum. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Stability:After separation from cells: 48 hours at room temperature; 2 week refrigerated; 1 month frozen. Avoid repeated freeze/thaw cycles.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:2007220


Reference Range:
0-8 U Negative: No significant level of Echinococcus IgG antibody detected.
9-11 U Equivocal: Recommend repeat testing in 2-4 weeks with fresh sample.
12 U or greater Positive: IgG antibodies to Echinococcus detected, indicating current or past infection
  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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