Test Details
Mnemonic
PHLIP
Ordering Code
3681280
CPT-4 Code(s)
84311
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
Serum: Red top
Minimum Volume
0.5 mL
Transport Temperature
Refrigerated
Stability
Room temperature: 8 hours
Refrigerated: 30 days
Frozen: 30 days
Refrigerated: 30 days
Frozen: 30 days
Methodology
Quantitative Spectrophotometry
Reference Range
160 - 300 mg/dL
Performing Laboratory
ARUP
New York DOH Approval Status
Yes