Test Details

Mnemonic

VALTF

Ordering Code

3700015

CPT-4 Code(s)

80164, 80165

Specimen Information

Patient Preparation

Draw trough sample 1 hour before next dose.
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Collect

Red-top
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Specimen Preparation

Centrifuge, separate serum from cells and send 3.0 mL serum refrigerated in a screw-capped plastic vial.
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Alternate Specimen

Plasma: Lavender EDTA
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Minimum Volume

1.5 mL
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Transport Temperature

Refrigerated
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Rejection Criteria

SST, PST
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Stability

Room temperature: 48 hours
Refrigerated: 7 days
Frozen: 30 days
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Methodology

Immunoassay
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Reference Range

See report
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Performing Laboratory

Quest Valencia
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