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.

Collect

Red top

Specimen Preparation

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

Alternate Specimen

Plasma: Lavender EDTA

Minimum Volume

1.5 mL

Transport Temperature

Refrigerated

Rejection Criteria

Serum separator tube (SST), Plasma separator tube (PST)

Stability

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

Methodology

Immunoassay
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Reference Range

See report
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Performing Laboratory

Quest Valencia
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