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Register NowPhosphatidylethanol (PEth)
Create a Free Account to View PricesTurnaround Time: 5-10 days
CPT Code:
80321
Test Type: 1 mL Whole Blood
Overview:
Use: Measures blood levels of phosphatidylethanol, an alcohol-specific biomarker
Methodology: Liquid chromatography/tandem mass spectrometry (LC/MS-MS)
Reference Interval: PEth levels in excess of 20 ng/mL are considered evidence of moderate to heavy ethanol consumption.
Collection Details:
Collection Instructions:
Specimen: Whole blood
Volume: 1 mL
Minimum Volume: 0.5 mL
Container: Lavender-top (EDTA) tube or gray-top (sodium fluoride) tube
Storage Instructions: Submission/transport (<3 days): Room temperature. For storage beyond three days, the specimen should be refrigerated or frozen. The specimen is stable for three days at room temperature, for two weeks refrigerated, and for six months frozen.