4-hydroxybutyric aciduria

4-hy·drox·y·bu·tyr·ic ac·i·du·ri·a

(hī-drok'sē-byū-tir'ik as'i-dū'rē-ă),
Elevated levels of 4-hydroxybutyrate in the urine. An inherited disorder that can lead to hypotonia and mental retardation.
References in periodicals archive ?
These included one of two cases of 2-aminoadipic acidemia (OMIM 204750), one of seven cases of 4-hydroxybutyric aciduria (OMIM 271980), and a single case of Barth syndrome (X-linked cardiomyopathy; OMIM 302060).