Carnitine, Plasma

• CPT Code: 82379
• LOINC:
• Specimen Type: Sodium Heparin nongel
• Frequency: Setup: Mon-Fri; analytic time 2 days
• Instructions: 0.5mL plasma from nongel Green frozen in plastic vial. Do not combine other orders in vial. Min 0.2mL. EDTA is acceptable.
• Text: Useful For: Evaluation of patients with a clinical suspicion of a wide range of inborn errors of metabolism, especially organic acidemias and fatty acid oxidation disorders including primary carnitine deficiency. Components: Z0262 Total Carnitine; Z0263 Free Carnitine; Z0264 Acylcarnitine; Z0265 Acylcarnitine/Free Ratio; Z0266 Carnitine Interpretation.
• Methodology: Flow Injection Analysis-Tandem Mass Spectrometry (FIA-MS/MS)