Test Catalog

Test ID: CARNU    
Carnitine, Urine

Useful For Suggests clinical disorders or settings where the test may be helpful

Evaluation of patients with a clinical suspicion of a wide range of conditions including organic acidemias and fatty acid oxidation disorders


Monitoring carnitine treatment


Carnitine levels are disturbed in primary disorders of the carnitine cycle, or secondary disturbances of carnitine metabolism due to other biochemical disorders.


While plasma or serum carnitine is reduced in primary carnitine deficiency, urine carnitine may be normal or elevated.


Dietary intake (meat, carnitine supplementation) may cause increased carnitine values.


Abnormal results are accompanied by detailed interpretation including recommendations for follow-up testing.

Method Name A short description of the method used to perform the test

Flow Injection Analysis-Tandem Mass Spectrometry (FIA-MS/MS)

NY State Available Indicates the status of NY State approval and if the test is orderable for NY State clients.


Reporting Name Lists a shorter or abbreviated version of the Published Name for a test

Carnitine, U

Aliases Lists additional common names for a test, as an aid in searching

Urinary Carnitine, Quantitative
Carnitine Free and Total, Urine