Test Details

Mnemonic

ECHOA

Ordering Code

3679930

CPT-4 Code(s)

86658 x 5

Specimen Information

Collect

SST

Specimen Preparation

Centrifuge, separate serum from cells within 2 hours of collection and send 1.0 mL serum refrigerated in a screw-capped plastic vial.

Alternate Specimen

Red-top

Minimum Volume

0.3 mL

Transport Temperature

Refrigerated

Rejection Criteria

Plasma specimens, CSF, hemolyzed or grossly lipemic specimens

Stability

Room temperature: 48 hours
Refrigerated: 14 days
Frozen: 1 year

Methodology

Serum Neutralization Assay
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Reference Range

<1:10
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Performing Laboratory

ARUP Reference Laboratory
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New York DOH Approval Status

Yes
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