| Value | Code Name | Code | Code System | Code Description |
|---|---|---|---|---|
| 1 | Classical galactosemia (galactose-1-phosphate uridyltransferase deficiency) (GALT) | |||
| 2 | Galactoepimerase deficiency (uridine diphosphate galactose 4-epimerase deficiency) (GALE) | |||
| 3 | Galactokinase deficiency (GALK) |