Phosphatidylethanol (Peth) PETH

Synonyms

Allscripts (AEHR) Order Name

Phosphatidylethanol (Peth)

Sunrise Clinical Manager (SCM) Order Name

Phosphatidylethanol (Peth)

EPIC Order Name

Phosphatidylethanol (PEth)

Clinical Info

Biomarker associated with ethanol consumption; may be helpful in monitoring alcohol abstinence. PEth is useful for verifying abstinence or use of ethanol especially in liver transplant candidates/patients

Specimen Type

Blood

Container

Lavender Top Tube

Collection Instructions

Container/Tube: Lavender (EDTA) top tube
Specimen: 2 mL whole blood ( 0.5 mL min)
Transport Temperature: Refrigerated

Transport Instructions

Refrigerated

Specimen Stability

5 Days Room Temperature
30 Days Refrigerated
30 Days Frozen

Methodology

Chromatography/Mass Spectrometry

Days Performed

TAT: 4-6 Days

Performing Laboratory

Quest Diagnostics Nichols Institute

CPT

80321

LOINC Code: 97607-6

PDM

1959206

Result Interpretation

PEth 16:0/18:1 (POPEth)	<20 ng/mL
PEth 16:0/18:2 (PLPEth)	<20 ng/mL

The predominant PEth homologues are PEth 16:0/18:1 (POPEth) and PEth 16:0/18:2 (PLPEth), 
which account for 37-46% and 26-28% of the total PEth homologues, respectively.

Forms