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Phosphatidylethanol, Blood

Message
For Specimen Integrity during Extreme Weather see the “Lockbox Usage in Extreme Weather” document at the top of this page.


Test Code
PHSETH


Alias/See Also
Phosphatidyl Ethanol
PETH
Peth


CPT Codes
80321

Preferred Specimen
2 mL K2EDTA Whole Blood (Lavender Top) tube


Minimum Volume
0.7 mL K2EDTA Whole Blood (Lavender Top) tube


Transport Temperature
Refrigerated


Specimen Stability
Room Temperature: UNACCEPTABLE
Refrigerated: 14 days
Frozen: 6 months


Reject Criteria (Eg, hemolysis? Lipemia? Thaw/Other?)
Received Room Temperature


Methodology
High Performance Liquid Chromatography/ Tandem Mass Spectrometry (LC-MS/MS)

Setup Schedule
Varies


Report Available
8 days


Clinical Significance
Therapeutic Drug Monitoring


Performing Laboratory
NMS Labs
3701 Welsh Road
Willow Grove, PA 19090-2910


Last Updated: August 4, 2022


The CPT Codes provided in this document are based on AMA guidelines and are for informational purposes only. CPT coding is the sole responsibility of the billing party. Please direct any questions regarding coding to the payor being billed. Any Profile/panel component may be ordered separately. Reflex tests are performed at an additional charge.