LabCorp and its Specialty Testing Group, a fully integrated portfolio of specialty and esoteric testing laboratories.
3 - 6 days
Turnaround time is defined as the usual number of days from the date of pickup of a specimen for testing to when the result is released to the ordering provider. In some cases, additional time should be allowed for additional confirmatory or additional reflex tests. Testing schedules may vary.
Serum or plasma, frozen
0.2 mL (Note: This volume does not allow for repeat testing.)
Red-top tube, gel-barrier tube, or green-top (heparin) tube
Transfer separated serum or plasma to a plastic transport tube and freeze. To avoid delays in turnaround time when requesting multiple tests on frozen samples, please submit separate frozen specimens for each test requested.
Specimen not frozen
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.
This test was developed and its performance characteristics determined by LabCorp. It has not been cleared or approved by the Food and Drug Administration.
High-pressure liquid chromatography/tandem mass spectrometry (LC/MS-MS)
|Order Code||Order Code Name||Order Loinc||Result Code||Result Code Name||UofM||Result LOINC|
|706500||Carnitine, Total and Free||706501||Carnitine, Total||umol/L||14288-5|
|706500||Carnitine, Total and Free||706502||Carnitine, Free||umol/L||14286-9|
|706500||Carnitine, Total and Free||706503||Esterified/Free||Ratio||40869-0|
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