Test Details

Mnemonic

FLUPH

Ordering Code

3502860

CPT-4 Code(s)

80342 (G0480)

Specimen Information

Patient Preparation

Measure at least two weeks after initiating treatment.
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Collect

Red-top
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Specimen Preparation

Centrifuge, separate serum from cells within 2 hours and send 1.0 mL serum refrigerated in a screw-capped plastic vial.
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Alternate Specimen

Plasma: Lavender EDTA, Sodium Heparin
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Minimum Volume

0.5 mL
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Transport Temperature

Refrigerated
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Rejection Criteria

SST, citrated plasma, whole blood, hemolyzed specimens, ACD
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Stability

Room temperature: 2 days
Refrigerated: 7 days
Frozen: 30 days
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Methodology

Quantitative Liquid Chromatography/Tandem Mass Spectrometry
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Reference Range

Therapeutic Range: 1.0 - 10.0 ng/mL
Toxic: >15 ng/mL
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Performing Laboratory

ARUP Reference Laboratory
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New York DOH Approval Status

Yes
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