| E74.0 | Glycogen storage disease | NON-BILLABLE CODE |
| E74.00 | Glycogen storage disease, unspecified | BILLABLE CODE |
| E74.01 | von Gierke disease | BILLABLE CODE |
| E74.02 | Pompe disease | BILLABLE CODE |
| E74.03 | Cori disease | BILLABLE CODE |
| E74.04 | McArdle disease | BILLABLE CODE |
| E74.05 | Lysosome-associated membrane protein 2 [LAMP2] deficiency | BILLABLE CODE |
| E74.09 | Other glycogen storage disease | BILLABLE CODE |
| E74.1 | Disorders of fructose metabolism | NON-BILLABLE CODE |
| E74.10 | Disorder of fructose metabolism, unspecified | BILLABLE CODE |
| E74.11 | Essential fructosuria | BILLABLE CODE |
| E74.12 | Hereditary fructose intolerance | BILLABLE CODE |
| E74.19 | Other disorders of fructose metabolism | BILLABLE CODE |
| E74.2 | Disorders of galactose metabolism | NON-BILLABLE CODE |
| E74.20 | Disorders of galactose metabolism, unspecified | BILLABLE CODE |
| E74.21 | Galactosemia | BILLABLE CODE |
| E74.29 | Other disorders of galactose metabolism | BILLABLE CODE |
| E74.3 | Other disorders of intestinal carbohydrate absorption | NON-BILLABLE CODE |
| E74.31 | Sucrase-isomaltase deficiency | BILLABLE CODE |
| E74.39 | Other disorders of intestinal carbohydrate absorption | BILLABLE CODE |
| E74.4 | Disorders of pyruvate metabolism and gluconeogenesis | BILLABLE CODE |
| E74.8 | Other specified disorders of carbohydrate metabolism | NON-BILLABLE CODE |
| 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 |
| E74.89 | Other specified disorders of carbohydrate metabolism | BILLABLE CODE |
| E74.9 | Disorder of carbohydrate metabolism, unspecified | BILLABLE CODE |
