| Label | Id | |
|---|---|---|
| HPABH4B | 0100186 | |
| GTP cyclohydrolase 1 deficiency | 0100186 | |
| GTP cyclohydrolase I deficiency | 0100186 | |
| hyperphenylalaninemia, BH4-deficient, B | 0100186 | |
| hyperphenylalaninemia, tetrahydrobiopterin-deficient, due to GTP cyclohydrolase 1 deficiency | 0100186 |