E71.4Non-billable (header)

Disorders of carnitine metabolism

Related Codes· Metabolic disorders (E70-E88)

E70.0Classical phenylketonuriaE70.1Other hyperphenylalaninemiasE70.2Disorders of tyrosine metabolismE70.3AlbinismE70.4Disorders of histidine metabolismE70.5Disorders of tryptophan metabolismE70.8Other disorders of aromatic amino-acid metabolismE70.9Disorder of aromatic amino-acid metabolism, unspecifiedE71.0Maple-syrup-urine diseaseE71.1Other disorders of branched-chain amino-acid metabolismE71.2Disorder of branched-chain amino-acid metabolism, unspecifie…E71.3Disorders of fatty-acid metabolism

Sub-codes of E71.4(5)

E71.4 is a non-billable header. Select a sub-code to bill.

E71.40Disorder of carnitine metabolism, unspecified✓ BillableE71.41Primary carnitine deficiency✓ BillableE71.42Carnitine deficiency due to inborn errors of metabolism✓ BillableE71.43Iatrogenic carnitine deficiency✓ BillableE71.44Other secondary carnitine deficiencyHeader

✗ Excludes 1(Not coded here)

  • •Muscle carnitine palmitoyltransferase deficiency (E71.314)

Code Hierarchy

┌4Endocrine, nutritional and metabolic diseases (E00-E89)├E70-E88Metabolic disorders (E70-E88)├E71Disorders of branched-chain amino-acid metabolism and fatty-acid metabolism
└E71.4Disorders of carnitine metabolism

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