Echinococcus Antibody, Total 
Mnemonic MISC
CPT 86682
Test Code 3509949
Synonyms Hydatid
Test Includes  
Specimen Serum
Volume 1.0 mL
Container SST or Red Top Tube
Special Instructions  
Specimen Prep Separate serum from cells ASAP or within 2 hours of collection. Transfer 1 mL serum to an ARUP Standard Transport Tube.
Storage Refrigerated
Transport Temp Refrigerated
Stability Rm Temp 48 hours
Stability Refrig 2 weeks
Stability Frozen 1 year
Methodology Semi-Quantitative Enzyme-Linked Immunosorbent Assay
Rejection Criteria Contaminated or severely lipemic specimens.  
Reference Value 0.00-0.89 IV: Negative 0.90-1.09 IV: Equivocal 1.10 IV or greater: Positive  
Performed/TAT Two times per week   3-6 days    
Comments Echinococcus antibodies play an important role in the diagnosis of hydatid disease. Antibody response is highly variable with respect to cyst location and individual response. Submit separate frozen samples when requesting multiple tests on the same specimen.