Carnitine, Serum

Test ID: ZG800

Component(s): Z4798 Carnitine, Total LOINC: 14288-5, Z4799 Carnitine, Free LOINC: 14286-9, Z4801 Esterified/Free LOINC: 40869-0

CPT code: 82379
LOINC:
Specimen Type: Red, SST, OR green-top (heparin) tube
Frequency: 3 – 6 days
Instructions: 2.5 mL Serum or Plasma from Red, SST, OR green-top (heparin) tube, Frozen. Min 0.2 mL.
Text: The analysis of carnitines is indicated in patients who exhibit the following: failure to thrive, hypotonia, chronic muscle weakness, cardiomyopathy, intermittent episodes of weakness and encephalopathy, renal Fanconi’s syndrome, hypoglycemic episodes, metabolic acidosis, or hypoketotic dicarboxylic acidurias.
Methodology: High-pressure liquid chromatography/tandem mass spectrometry (LC/MS-MS)

Test Name


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