Catalog

Transient tyrosine oxidase deficiency

No MMS code

Link to WHO Definition

Transient tyrosine oxidase deficiency – http://id.who.int/icd/entity/1085704398

Transient tyrosinemia of the newborn is a benign disorder of tyrosine metabolism detected upon newborn screening and often observed in premature infants. It shows no clinical symptoms. It is characterised by tyrosinemia, moderate hyperphenylalaninemia, and tyrosiluria that usually resolve after 2 months of age.