PETHQ – “Phosphatidylethanol (Peth), WB, Quantitative” replaced by PETCB – “Phosphatidylethanol Confirmation, Blood “

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Inactivated/Replace Test

Effective Date

04/22/2024

Included in Report

WML Test Directory Update | April 2024

Inactivated Test Details

Mnemonic

PETHQ

Ordering Code

3600311

CPT-4 Codes(s)

80321 (G0480)

Replacement Test Details

Mnemonic

PETCB

Ordering Code

3800363

CPT-4 Codes(s)

80321 (G0480)

Turnaround Time
4 - 7 days
Performed
Saturday - Sunday
Legacy Code
PETCB
Example Report
Download

Specimen Information

Collect

Lavender EDTA

Specimen Preparation

Send 1.0 mL whole blood in the original tube. Do not aliquot. Do not centrifuge. Do not use alcohol to clean arm. Use alternative such as Betadine to cleanse arm before collecting any specimen.

Minimum Volume

0.5 mL

Transport Temperature

Frozen

Rejection Criteria

Gross lipemia, Gross icterus, Serum separator tube (SST), Red top, light blue sodium citrate,
yellow ACD or SPS

Stability

Room temperature: Unacceptable
Refrigerated: 14 days
Frozen: 28 days

Methodology

Liquid Chromatography/Tandem Mass Spectrometry (LC/MS/MS)
more

Reference Range

Negative (<10 ng/mL)
more

Performing Laboratory

MAYO
more

New York DOH Approval Status

Yes
more

Interface Map for PETCB

Test Name Ordering Code Result Code Component Name LOINC Code AOE Prompt Units
Phosphatidylethanol Confirmation, Blood3800363
3800364PEth 16:0/18:1 (POPEth) by LC-MS/MS 97607-6 No
3800366 PEth 16:0/18:2 (PLPEth) by LC-MS/MS 97606-8 No
3800367PEth Interpretation 69050-3No

The CPT codes provided are for general informational purposes only and are based on an interpretation of AMA guidance. It is the sole responsibility of the billing party to determine CPT codes. Any questions regarding coding should be directed to the paying party.

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