Phosphatidylethanol (PEth)

Synonyms

  • ALCOHOL
  • ETHANOL
  • LAB10746
  • PHOSPHATIDYLETHANOL (PETH)

Cerner 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 Sources

Blood, Arterial Blood, Capillary Blood, Central Line Blood, Venous

Specimen Types

Blood

Specimen Volume

2 mL whole blood ( 0.5 mL min)

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 Laboratories

Quest Diagnostics Nichols Institute

CPT

G0480

LOINC Code: 97607-6

PDM

1959206

Results
Component Name Base Name Common Name External Name
PETH 16:0/18:1 PET160181 PETH 160 181 PEth 16:0/18:1
PETH 16:0/18:2 PET160182 PETH 160 182 PEth 16:0/18:2
PETH COMMENTS PETCOMMENT PETH COMMENTS PEth Comments

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
Tox/TDM LAB10746 build edit