Test Details

Mnemonic

C3

Ordering Code

3000290

CPT-4 Code(s)

86160

Specimen Information

Collect

Serum separator tube (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 or lithium heparin, lavender EDTA
Serum: Red top
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Minimum Volume

0.5 mL
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Transport Temperature

Refrigerated
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Stability

Room temperature: Unacceptable
Refrigerated: 8 days
Frozen: 3 months
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Methodology

Nephelometry
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Reference Range

90 - 180 mg/dL
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Performing Laboratory

Warde Medical Laboratory
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