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Specimen Collection Manual and Test Catalog

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MARIJUANA, CONFIRMATION BY GCMS, SERUM

Geisinger Epic Procedure Code:  LAB1038    Geisinger Epic ID:  52077

SPECIMEN COLLECTION
Specimen type: 

Serum


Preferred collection container: 
Specimen required: 

6 mL serum; minimum 3 mL.


Special notes: 

Do not collect in gel tubes.



SPECIMEN PROCESSING
Processing instructions: 

Centrifuge and aliquot.


Transport temperature: 

Refrigerated (cold packs).


Specimen stability: 

Room temperature: 72 hours. Refrigerated: 14 days. Frozen: 30 days.



TEST DETAILS
Additional information: 

This test was developed and its analytical performance characteristics have been determined by Quest Diagnostics. It has not been cleared or approved by the U.S. Food and Drug Administration. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.


CPT code(s):  80349
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: 

Identification and quantitation of DELTA-9-THC and DELTA-9-THC carboxy acid by Chromatography/Mass spectrometry.


Methodology: 
Chromatography/Mass Spectrometry
Synonyms: 

Quest test code 14292, THC Conf Ser


Review Date:  12/05/2024

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