Phosphatidylethanol (PEth) Blood Test, from our experts to you.
Dr Sam Rodgers MBBS, MRCGP

Chief Medical Officer meet our doctors

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What is a
Phosphatidylethanol Blood Test for?

Phosphatidylethanol in the blood (PEth) is a stable, highly-specific, sensitive marker for detecting chronic excessive drinking behaviour with a regular daily alcohol intake.


How long is
Phosphatidylethanol detectable?

Phosphatidylethanol is detectable in blood for up to 28 days without alcohol.


What can affect
Phosphatidylethanol results?

Sex, age, gender and body mass do not influence the normalisation rate of Phosphatidylethanol (PEth). In comparison to serum CDT, PEth appears more sensitive. CDT is an indirect marker, and PEth is a direct marker.


What's included?

Alcohol consumption
Select profile for more information

Phosphatidylethanol Phosphatidylethanol (PEth) is a stable, highly specific and sensitive marker for detecting chronic excessive drinking behaviour with a regular daily alcohol intake. PEth is a direct biomarker which is only formed after the consumption of alcohol.

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