| E71.30 | Disorder of fatty-acid metabolism, unspecified | BILLABLE CODE |
| E71.31 | Disorders of fatty-acid oxidation | NON-BILLABLE CODE |
| E71.310 | Long chain/very long chain acyl CoA dehydrogenase deficiency | BILLABLE CODE |
| E71.311 | Medium chain acyl CoA dehydrogenase deficiency | BILLABLE CODE |
| E71.312 | Short chain acyl CoA dehydrogenase deficiency | BILLABLE CODE |
| E71.313 | Glutaric aciduria type II | BILLABLE CODE |
| E71.314 | Muscle carnitine palmitoyltransferase deficiency | BILLABLE CODE |
| E71.318 | Other disorders of fatty-acid oxidation | BILLABLE CODE |
| E71.32 | Disorders of ketone metabolism | BILLABLE CODE |
| E71.39 | Other disorders of fatty-acid metabolism | BILLABLE CODE |
