| E74.81 | Disorders of glucose transport, not elsewhere classified | NON-BILLABLE CODE |
| E74.810 | Glucose transporter protein type 1 deficiency | BILLABLE CODE |
| E74.818 | Other disorders of glucose transport | BILLABLE CODE |
| E74.819 | Disorders of glucose transport, unspecified | BILLABLE CODE |
| E74.82 | Disorders of citrate metabolism | NON-BILLABLE CODE |
| E74.820 | SLC13A5 Citrate Transporter Disorder | BILLABLE CODE |
| E74.829 | Other disorders of citrate metabolism | BILLABLE CODE |
| E74.89 | Other specified disorders of carbohydrate metabolism | BILLABLE CODE |
