Test Details

Mnemonic

INS

Ordering Code

1010100

CPT-4 Code(s)

83525

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

Plasma: Green sodium heparin, green lithium heparin
Serum: Red top

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

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

Stability

Room temperature: Undetermined
Refrigerated: 7 days
Frozen: 3 months

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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