Echovirus Antibodies

Sunquest Code:ECHOAB  
Methodology:Serum neutralization assay
CPT Code:86658
Turnaround Time:Specimens are sent to reference laboratory Mon-Sat; results are reported within 6-9 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

Specimen:Blood or CSF
Optimal Volume:2 mL blood or 1 mL CSF
Minimum\Peds Volume:0.8 mL blood or 0.3 CSF
Container:Plastic leakproof container, sterile, Red or gold (gel) (Red (no gel))
Causes for Rejection:Plasma

Processing and Shipping

Specimen Processing:Centrifuge and aliquot 1 mL, 0.3 mL minimum. Separate serum from cells ASAP. Store in refrigerator.
Shipping Instructions:Ship at refrigerated temperature.
Test Performed at or Referral Lab Lab Sendouts  (ARUP)
Referral Lab number:60053


Reference Range:


Echovirus 6: Less than 1:10

Echovirus 7: Less than 1:10

Echovirus 9: Less than 1:10

Echovirus 11: Less than 1:10

Echovirus 30: Less than 1:10



Single positive antibody titers of greater than or equal to 1:80 may indicate past or current infection. Seroconversion or an increase in titers between acute and convalescent sera of at least fourfold is considered strong evidence of current or recent infection.


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