Specimen Requirements

Title

Phosphatidylethanol (PEth), WB, Quant

Specimen Requirement

Collect lavender EDTA, gray potassium oxalate or green lithium heparin, send 1.0 mL whole blood refrigerated.

Methodology

Quantitative Liquid Chromatography/Tandem Mass Spectrometry

Stability

Room temp: 2 hours, Refrigerated: 14 days, Frozen: 30 days

Reference Range

The reference range is determined by the performing laboratory and will show on the report.

Turnaround

3-6 days

Clinical Use

Test includes:
PEth 16:0/18:1 (POPEth) and PEth 16:0/18:2 (PLPEth)

Biomarker associated with ethanol consumption; may be helpful in monitoring alcohol abstinence.

Test Code

PETH