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