Test Details

Mnemonic

TTGA

Ordering Code

3017300

CPT-4 Code(s)

86364

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

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Grossly hemolyzed or lipemic specimens, plasma

Stability

Room temperature: 8 hours
Refrigerated: 48 hours
Frozen: 14 days

Methodology

Enzyme Linked Immunoassay
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Reference Range

Negative <20 Units
Weak Positive 20 - 30 Units
Moderate to Strong Positive >30 Units
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Performing Laboratory

Warde Medical Laboratory
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