Test Details

Mnemonic

IGD

Ordering Code

3420620

CPT-4 Code(s)

82784

Specimen Information

Collect

Red-top
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Specimen Preparation

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

Serum: SST
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Minimum Volume

0.5 mL
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Transport Temperature

Refrigerated
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Rejection Criteria

Severely hemolyzed or lipemic specimens
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Stability

Room temperature: 8 hours
Refrigerated: 7 days
Frozen: 21 days
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Methodology

Nephelometry
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Reference Range

<179 mg/L
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Performing Laboratory

Quest SJC
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