| E72.50 | Disorder of glycine metabolism, unspecified | BILLABLE CODE |
| E72.51 | Non-ketotic hyperglycinemia | BILLABLE CODE |
| E72.52 | Trimethylaminuria | BILLABLE CODE |
| E72.53 | Primary hyperoxaluria | BILLABLE CODE |
| E72.59 | Other disorders of glycine metabolism | BILLABLE CODE |
