Test Details

Mnemonic

PHLIP

Ordering Code

3681280

CPT-4 Code(s)

84311 RUO

Specimen Information

Patient Preparation

Patient should fast 12 hours prior to collection.

Collect

Serum separator tube (SST)

Specimen Preparation

Allow specimen to clot completely at room temperature. Centrifuge, separate serum from cells and send 1.0 mL serum in a screw capped plastic vial.

Alternate Specimen

Plasma: Lavender EDTA, green sodium or lithium heparin
Serum: Red top

Minimum Volume

0.5 mL

Transport Temperature

Refrigerated

Stability

Room temperature: 8 hours
Refrigerated: 30 days
Frozen: 30 days

Methodology

Quantitative Spectrophotometry
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Reference Range

160 - 300 mg/dL
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Performing Laboratory

ARUP Reference Laboratory
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New York DOH Approval Status

Yes
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