CARNITINE, FREE AND TOTAL, PLASMA
test app
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Specimen Type:
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Blood |
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Container/Tube
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Preferred:
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Mint (Light) green-top (lithium heparin) Vacutainer®
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Acceptable:
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Green-top (Lithium Heparin) microtainer®, Gold/Red SST Vacutainer®, Plain, red-top Vacutainer®, or DARK green-top (sodium heparin) Vacutainer®.
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Collection Volume:
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3.0 mL (minimum 0.6 mL) for Vacutainer®.
If collected in microtainer®, container MUST be full
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Patient Preparation:
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None
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Sample Rejection
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Mislabeled or unlabeled specimens.
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Special Instructions:
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Send to lab promptly.
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Day(s) Test Set Up:
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Monday-Friday
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Cut-off time:
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0430
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Turnaround Time:
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3-5 days
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Lab Testing Section:
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Metabolic Genetics
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Reference Range:
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Carnitine Total:
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35-80 mcmol/L
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Carnitine Free:
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20-65 mcmol/L
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Acylcarnitine Total:
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5-30 mcmol/L
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AC/FC Ratio:
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0.1-0.8
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Critical Values:
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None established
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Limitations:
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NA
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Methodology:
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Electrospray Tandem Mass Spectrometry (ESI-MS/MS) |
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Lab Processing instructions:
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Centrifuge specimen to separate, aliquot sample into a plastic conical tube and freeze. Label aliquot with specimen type
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Processed Volume:
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1.0 mL (minimum 0.3 mL)
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Analyte Stability:
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Ambient: 1 hour
Refrigerated: NA
Frozen (processed): Indefinitely
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NOTES:
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None
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EPIC order name:
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Carnitine Profile (EPIC Test# LAB5750)
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Cerner order name:
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Carnitine Plas SLC
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CPT Codes:
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82379
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LOINC Value:
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NA
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Synonyms:
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Last Updated: 01/20
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Last Reviewed: 09/24
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