Phosphatidylethanol (PEth)
Test Mnemonic
PETH
CPT Codes
- 80321 - QTY (1)
- G0480 - QTY (1)
Aliases
- 1-palmitoyl-2-oleoyl-sn-glycero-3-phosph
- 1,2-dioleoyl-sn-glycero-3-phosphoethanol
Includes
- PEth 16:0/18.1 (POPEth)
- PEth 16:0/18.2 (PLPEth)
- EER Peth
- PEth Interpretation
Performing Laboratory
ARUP
Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Whole blood | EDTA (Lavender) | Refrigerated |
Alternate Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 1 mL | Whole blood | Lithium heparin (Green) | Refrigerated | ||
| 1 mL | Whole blood | Potassium oxalate/sodium fluoride (Gray) | Refrigerated |
Minimum Specimen Requirements
| Volume | Type | Container | Collect Temperature | Transport Temperature | Special Instructions |
|---|---|---|---|---|---|
| 0.5 mL |
Stability
| Environmental Condition | Description |
|---|---|
| Refrigerated | 2 weeks |
| Frozen | 1 month |
| Ambient | 3 hours |
Days Performed
Sun - Sat
Turnaround Time
2 - 5 days
Methodology
| Name | Description |
|---|---|
| Quantitative Liquid Chromatography - Tandem Mass Spectrometry |
Reference Range
Special Info
Gel separator tubes will be rejected. This test is New York DOH approved.
Clinical Info
This test may be helpful in monitoring alcohol abstinence.