7 - 12 days
Test Updated:
Carnitine, U
CARN RATIO
CRNU INTRP
FREE_CARN
TOTAL_CARN
RATIO: ACYL TO FREE
Interpretation
FREE CARNITINE
TOTAL CARNITINE
Looking to order a test?
We’ve provided helpful links to make ordering easy.
Find a RequisitionAll specimens should be accompanied by a requisition.
Submitting SpecimensLearn about how to properly label and where to ship specimens.
Order Kits and SuppliesMLabs provides all the supplies necessary for the collection of specimens.
Test FAQVisit our provider FAQ and learn about common questions to ordering tests.
Test Overview
Flow Injection Analysis-Tandem Mass Spectrometry (FIA-MS/MS)
Evaluation of patients with clinical suspiccion of a wide range of inborn errors of metabolism, especially organic acidemias and fatty acid oxidation disorders including primary carnitine deficiency.
Free Carnitine: 77 - 214 nmol/g creatinine; Total Carnitine: 180 - 412 nmol/g creatinine; Ratio (Acyl to Free): 0.7 - 3.4. Interpretive report provided.
* Reference ranges may change over time. Please refer to the original patient report when evaluating results.
Specimen Requirements
Collect random urine and freeze.
Collect random urine and freeze.