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Phosphatidylethanol-15130

Test info

Test name:

Phosphatidylethanol

Test number:

15130

Excellian order number:

LAB15130

Abbreviation:

PETH

Alternate names:

Ethyl alchol biomarker
PEth

Useful for:

Measures blood levels of phosphatidylethanol, an alcohol-specific biomarker

Specimen

Specimen type:

EDTA whole blood

Collection container:

Lavender (EDTA), 4mL

Volume:

1.0 mL

Minimum volume:

0.5 mL

Collection instructions:

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10 times to prevent clotting

Transport container:

Lavender (EDTA), 4mL

Alternate specimen type:

Sodium flouride (NaFl) whole blood

Alternate collection container:

Grey Sodium flouride (NaFl)

Alternate collection instructions:

Immediately following collection, mix sample thoroughly by gently inverting 8 - 10 times to prevent clotting

Alternate transport container:

Grey Sodium flouride (NaFl)

Transport and stability:

Ambient - < 3 days

Refrigerated - 2 weeks

Frozen - 6 months

Performance

Performing lab:

MedTox Laboratories Inc (2804) via LabCorp (791584): R-NX

Days set up:

Mo - Fr

TAT:

10 days

Method:

Liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Clinical and Interpretive info

Reference ranges:

PEth levels in excess of 20 ng/mL are considered evidence of moderate to heavy ethanol consumption

Billing

CPT codes:

80321

Subject to medical necessity (Y/N):

LOINC code:

Result 74661-0

Tracking

Date created:

06/07/2019

Revised date:

05/17/2023

Review date:

04/11/2022