Sample Requirements:
Red top or SST tube, fasting sample preferred
Purpose:
Evaluates carnitine levels for diagnosing metabolic and mitochondrial disorders.
High Levels:
May indicate dietary excess or supplementation.
Low Levels:
Suggests primary carnitine deficiency or metabolic disorder.
Reference Range:
Free: 25–50 µmol/L; Total: 40–60 µmol/L