Test directory: Phosphatidylethanol (PEth), Blood

Ordering Code 8541
Test Name Phosphatidylethanol (PEth), Blood
Alias Drug Monitoring, Phospatidylethanol (PEth), Blood
Phosphatidylethanol Confirmation
1-Palmitoyl-2-linoleoyl-sn-glycero-3-phosphoethanol
(POPEth)
Alcohol use biomarkers
Ethyl alcohol
biomarker
Preferred Specimen Whole Blood
Preferred Container EDTA, K2 (Lavender)
Optimum Volume 2 mL
Handling Instructions Specimen is forwarded to another lab for testing; do not share with other tests
Transport Requirements Oahu: Ambient
Airline: Refrigerated
Specimen Stability Ambient: 5 Days
Refrigerated: 30 Days
Frozen: 30 Days
Avail. Stat NO
Analytic Time Up to 10 Days
Methodology Chromatography/Mass Spectrometry
Reference Lab  Quest Diagnostic Lab-NI

Reference range(s)

The reference ranges listed below are valid on this date of May 22, 2026.
Component Age Male Norm Male Critical Low Male Critical High Female Norm Female Critical High Female Critical Low Units Add'l info
PEth 16:0/18:1 (POPEth) ALL See report.
PEth 16:0/18:2 (PLPEth) ALL See report.