Test Details

Mnemonic

DHT

Ordering Code

3422200

CPT-4 Code(s)

82642

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 vial.
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Minimum Volume

0.6 mL
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Transport Temperature

Refrigerated
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Rejection Criteria

SST, plasma, moderate to grossly hemolyzed specimens, grossly icteric specimens
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Stability

Room temperature: 7 days
Refrigerated: 14 days
Frozen: 30 days
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Methodology

Liquid Chromatography/Tandem Mass Spectrometry
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Reference Range

Females: ≤20 ng/dL
Males: 12 - 65 ng/dL
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Performing Laboratory

Quest SJC
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