preferred_name: GTP cyclohydrolase I deficiency with hyperphenylalaninemia
preferred_name_lc: gtp cyclohydrolase i deficiency with hyperphenylalaninemia
label: hyperphenylalaninemia, tetrahydrobiopterin-deficient, due to GTP cyclohydrolase 1 deficiency
label_lc: hyperphenylalaninemia, tetrahydrobiopterin-deficient, due to gtp cyclohydrolase 1 deficiency