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Specimen Collection Manual and Test Catalog

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THC, URINE CONFIRMATION

Geisinger Epic Procedure Code:  LAB3147    Geisinger Epic ID:  34255

SPECIMEN COLLECTION
Specimen type: 

Random Urine


Preferred collection container: 
Specimen required: 

3 mL urine; minimum 1 mL.



SPECIMEN PROCESSING
Transport temperature: 

Refrigerated (preferred) or room temperature.


Specimen stability: 

Room temperature: 2 days. Refrigerated: 14 days.


Rejection criteria: 

Stability limits exceeded.



TEST DETAILS
Reference interval: 

Negative
 

Drug/MetaboliteCutoff Concentration
THC-COOH10 ng/mL

Additional information: 

Assay detects both delta-9 and delta-8 THC-COOH.


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: 

THC-COOH


Methodology: 
Liquid Chromatography-Tandem Mass Spectrometry (LC-MS/MS)
Synonyms: 

MARIJUANA CONFIRMATION, CANNABINOIDS CONFIRMATION, MEDICAL, POT, MCACF


Doctoral Director(s): 
Hoi-Ying Elsie Yu, PhD, DABCC, FADLM
Sheng-Ying (Margaret) Lo, PhD, DABCC
Review Date:  12/16/2024

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