Test Details

Mnemonic

SLAA

Ordering Code

3711250

CPT-4 Code(s)

83520

Specimen Information

Collect

Serum separator tube (SST)

Specimen Preparation

Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Serum: Red top

Minimum Volume

0.3 mL

Transport Temperature

Refrigerated

Rejection Criteria

Gross hemolysis, lipemia

Stability

Room temperature: 48 hours
Refrigerated: 8 days
Frozen: 28 days

Methodology

Immunoassay
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Reference Range

<20.1 U Negative
20.1 - 24.9 U Equivocal
>=25.0 U Positive

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Performing Laboratory

Quest SJC
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