Noun
hyperphenylalaninemia (countable and uncountable, plural hyperphenylalaninemias)
The presence of excessive phenylalanine in the blood.
Both PKU and most non-PKU hyperphenylalaninemia are the result of phenylalanine hydroxylase deficiency (PAHD). Source: Internet
Pregnant women with hyperphenylalaninemia may show similar symptoms of the disorder (high levels of phenylalanine in blood) but these indicators will usually disappear at the end of gestation. Source: Internet