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Specimen Collection Manual and Test Catalog

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CARNITINE TOTAL AND FREE, URINE

Geisinger Epic Procedure Code:  LAB1948    Geisinger Epic ID:  44112

SPECIMEN COLLECTION
Specimen type: 

Urine


Preferred collection container: 
Specimen required: 

5-10 mL random unirine; minimum 5 mL


Special notes: 

Call CHOP before canceling.



SPECIMEN PROCESSING
Processing instructions: 

Send on dry ice by overnight courier.


Transport temperature: 

Frozen.


Specimen stability: 

Room temperature: 8 hours. Refrigerated: 24 hours. Frozen: 7 days.


Rejection criteria: 

Specimen not frozen.



TEST DETAILS
CPT code(s):  82379
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.

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

URCARN


Review Date:  12/04/2024

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