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Specimen Collection Manual and Test Catalog

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DRUG MONITORING, PHOSPHATIDYLETHANOL (PEth), BLOOD

Geisinger Epic Procedure Code:  LAB1082    Geisinger Epic ID:  52253

SPECIMEN COLLECTION
Specimen type: 

Whole blood


Preferred collection container: 
Specimen required: 

2 mL whole blood; minimum 0.7 mL



SPECIMEN PROCESSING
Processing instructions: 

Store whole blood refrigerated.


Transport temperature: 

Refrigerated (cold packs).


Specimen stability: 

Room temperature: 5 days. Refrigerated: 30 days. Frozen: 30 days.



TEST DETAILS
CPT code(s):  80321
Note: The billing party has sole responsibility for CPT coding.  Any questions regarding coding should be directed to the payer being billed.
The CPT codes provided by GML are based on AMA guidelines and are for informational purposes only.

Methodology: 
High Performance Liquid Chromatography (HPLC)
Tandem Mass Spectrometry
Synonyms: 

Quest test code 12198, Ppethanol (PEth)


Clinical significance: 

Therapeutic drug monitoring.


Review Date:  12/05/2024

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