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Specimen Collection Manual and Test Catalog

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DRUG MONITORING, METHYLPHENIDATE METABOLITE, QUANTITATIVE, URINE

Geisinger Epic Procedure Code:  LAB1310    Geisinger Epic ID:  53165

SPECIMEN COLLECTION
Specimen type: 

Random urine


Preferred collection container: 
Alternate collection container: 
Non-sterile specimen container
Specimen required: 

20 mL random urine; minimum 5 mL.



SPECIMEN PROCESSING
Transport temperature: 

Refrigerated.


Specimen stability: 

Room temperature: 5 days. Refrigerated: 7 days. Frozen: 30 days.


Rejection criteria: 

Preserved samples.



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 FDA. This assay has been validated pursuant to the CLIA regulations and is used for clinical purposes.


CPT code(s):  80360
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: 

Ritalinic Acid


Methodology: 
Mass Spectrometry
Synonyms: 

Quest test code 39409, DM Methlphen, Ritalin


Clinical significance: 

The management of patients use of controlled substances is an increasing focus of law enforcement to ensure that prescribed medications aren't diverted, and is critical to the successful outcome of many pharmaco-therapies. Urine drug testing for the presence or absence of prescribed medications and illicit drugs is a strategy designed to help the treating physician monitor their patients for compliance with that physicians directive(s).


Review Date:  12/12/2024

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