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Specimen Collection Manual and Test Catalog

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PHENOBARBITAL - UNBOUND, SERUM/PLASMA

Geisinger Epic Procedure Code:  LAB1072    Geisinger Epic ID:  52213

SPECIMEN COLLECTION
Specimen type: 

Serum or plasma


Preferred collection container: 
Alternate collection container: 
3 mL lavender-top (K2 EDTA) tube
Specimen required: 

2 mL serum or plasma; minimum 0.7 mL


Special notes: 

Serum separator and plasma separator tubes unacceptable.



SPECIMEN PROCESSING
Processing instructions: 

Centrifuge and aliquot.


Transport temperature: 

Refrigerated (cold packs).


Specimen stability: 

Room temperature: 90 days. Refrigerated: 90 days. Frozen: 18 months.


Rejection criteria: 

Polymer gel separation tube (SST or PST)



TEST DETAILS
CPT code(s):  80184
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.

Test includes: 

Therapeutic drug monitoring.


Methodology: 
High Performance Liquid Chromatography (HPLC)
Synonyms: 

Quest test code 10798, Phenobarbita


Clinical significance: 

Therapeutic drug monitoring.


Review Date:  12/12/2024

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