E71: Disorders of branched-chain amino-acid metabolism and fatty-acid metabolism
E71.4: Disorders of carnitine metabolism

excludes1
Muscle carnitine palmitoyltransferase deficiency (E71.314)
E71.40: Disorder of carnitine metabolism, unspecified
E71.41: Primary carnitine deficiency
E71.42: Carnitine deficiency due to inborn errors of metabolism
E71.43: Iatrogenic carnitine deficiency
E71.44: Other secondary carnitine deficiency

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