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Specimen Collection Manual and Test Catalog

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ZOLPIDEM, URINE CONFIRMATION

Geisinger Epic Procedure Code:  LAB3449    Geisinger Epic ID:  109404

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 tempearture.


Specimen stability: 

Room temperature: 2 days. Refrigerated: 14 days.


Rejection criteria: 

Stability limits exceeded.



TEST DETAILS
Reference interval: 

Negative. 
Drug/Metabolite Cutoff concentration: 
Zolpidem 10 ng/mL 
Zolpidem metabolite 20 ng/mL


Additional information: 

See guide to drugs of abuse panels.


CPT code(s):  80368
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: 

Zolpidem, Zolpidem phenyl-4-carboxylic acid (Zolpidem metabolite)


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

Ambien


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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