Test Details

Mnemonic

RETRT

Ordering Code

3400025

CPT-4 Code(s)

86255, plus 86256 if reflexed to titer, at additional cost

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells and send 0.5 mL serum in a screw capped plastic vial.

Alternate Specimen

Plasma: ACD, EDTA, heparin (sodium or lithium)
Serum: Red top

Minimum Volume

0.1 mL

Transport Temperature

Refrigerated

Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days

Methodology

Immunoassay
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Reference Range

Negative
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Performing Laboratory

Quest SJC
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DUE TO A REAGENT SHORTAGE, THIS TEST WILL BE TEMPORARILY NON-ORDERABLE.