Test Details

Mnemonic

VGKCA

Ordering Code

3621900

CPT-4 Code(s)

83519 RUO

Specimen Information

Collect

SST
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Specimen Preparation

Centrifuge, separate serum from cells within 1 hour of collection and send 4.0 mL serum refrigerated in a screw-capped plastic vial.
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Alternate Specimen

Serum: Red-top
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Minimum Volume

0.5 mL
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Transport Temperature

Refrigerated
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Rejection Criteria

Grossly lipemic or icteric specimens, plasma
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Stability

Room temperature: 72 hours
Refrigerated: 14 days
Frozen: 1 month
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Methodology

Quantitative Radioimmunoassay
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Reference Range

Negative: 31 pmol/L or less
Indeterminate: 32 - 87 pmol/L
Positive: 88 pmol/L or greater
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Performing Laboratory

ARUP Reference Laboratory
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New York DOH Approval Status

Yes
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