Test Details

Mnemonic

INS

Ordering Code

1010100

CPT-4 Code(s)

83525

Specimen Information

Collect

SST
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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

Plasma: Green sodium heparin, green lithium heparin
Serum: Red-top
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Minimum Volume

0.4 mL
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Transport Temperature

Refrigerated
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Rejection Criteria

Hemolyzed, icteric, grossly lipemic specimens, EDTA plasma, NaFluoride plasma
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Stability

Room temperature: Unacceptable
Refrigerated: 7 days
Frozen: 3 months
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Methodology

Chemiluminescence
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Reference Range

<29.1 uIU/mL
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Performing Laboratory

Warde Medical Laboratory
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