Methodology
High Performance Liquid Chromatography / Tandem Mass Spectrometry (LC-MS/MS)
Synonyms
Peth; Phosphatidyl Ethanol
Specimen Type
Whole Blood
Performing Lab
NMS Labs
Epic ID
LAB90061
Standard TAT
4-9 Days
Collection Information
Specimen Required
0.3-1 mL Whole Blood
Container Type
EDTA (Lavender-Top) Tube
Processing Information - Lab Use Only
Transport Temperature
Refrigerate-OK/Frozen-OK
Specimen Stability
Room Temp: 30 Days; Refrigerated: 2 Months (Preferred); Frozen: 6 Months
Test Volume Required
1 mL Whole Blood
Minimum Test Volume
0.3 mL Whole Blood
Processing Instructions
Complete a NMS Labs requisition and submit with specimen refrigerated.
CPT Codes
80321
Revised
8/13/25
Initials
SA