Phosphatidylethanol, Whole Blood, Quantitative
PEth, 1, 2-dioleoylo-sn-glycero-3-phosphoethanol, 1-palmitoyl-2-sn-glycero-3-phosph
ARUP: 3002598, EPIC: LAB7156, SOFT: XPETH
Biomarker associated with ethanol consumption; may be helpful in monitoring alcohol abstinence.
Specimen Collection Criteria
Collect: One Lavender-top EDTA tube. (Minimum: 0.5 mL)
Physician Office/Draw Specimen Preparation
Do not centrifuge. Maintain whole blood refrigerated (2-8°C or 36-46°F) prior to transport.
Preparation for Courier Transport
Transport: Whole blood refrigerated (2-8°C or 36-46°F). (Minimum: 0.5 mL)
Specimens not collected and processed as indicated.
Room Temperature (20-26°C or 68-78.8°F): Unacceptable
Refrigerated (2-8°C or 36-46°F): 2 weeks
Frozen (-20°C/-4°F or below): 1 month
Specimen Storage in Department Prior to Disposal:
Specimen retention time is determined by the policy of the reference laboratory. Contact the Send Outs Laboratory with any questions.
Sent to ARUP Laboratories, Salt Lake City, UT, forwarded to Medtox Laboratory.
Sunday – Saturday
Results available in 2-5 days.
Less than 10 ng/mL
Quantitative Liquid Chromatography/Tandem Mass Spectrometry.
Measures blood levels of phosphatidylethanol, an alcohol-specific biomarker associated with ethanol consumption; may be helpful in monitoring alcohol abstinence.
80321, (Alt code: G0480).
Send Out Laboratory – RO
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This directory currently reflects information only for specimens collected and/or processed at the
Farmington Hills, Grosse Pointe, Royal Oak, and Troy campuses.