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Phosphatidylethanol Confirmation, Blood

PEth, 1-Palmitoyl-2-linoleoyl-sn-glycero-3-phosphoethanol (PLPEth), 1-Palmitoyl-2-oleoyl-sn-glycero-3-phosphoethanol (POPEth)

Test Codes

EPIC: LAB1230896, Beaker: XPETH, MAYO: PETH

Department

Send Outs

Instructions

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 aliquot. Send whole blood in original tube. 

Do not centrifuge. Maintain whole blood frozen (-20°C/-4°F or below) prior to transport.

Preparation for Courier Transport

Transport: Whole blood frozen (-20°C/-4°F or below). (Minimum: 0.5 mL)

Rejection Criteria

Specimens not collected and processed as indicated.

Storage

Whole Blood
Room Temperature (20-26°C or 68-78.8°F): Unacceptable
Refrigerated (2-8°C or 36-46°F): 14 days
Frozen (-20°C/-4°F or below): 28 days

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.

Laboratory

Sent to Mayo Clinic Laboratories in Rochester, MN.

Performed

Monday – Sunday.  
Results available in 2-5 days.

Reference Range

Less than 10 ng/mL

Test Methodology

Quantitative Liquid Chromatography/Tandem Mass Spectrometry.

Interpretation

By report.

Clinical Utility

Measures blood levels of phosphatidylethanol, an alcohol-specific biomarker associated with ethanol consumption; may be helpful in monitoring alcohol abstinence.

CPT Codes

80321, (Alt code: G0480).
LOINC:  101506

Contacts

Last Updated

12/17/2024