From the beginning of care, through treatment, and into recovery, we provide an experience that’s right for children and families. Children’s National Health System provides a wide range of clinical services and specialties dedicated to improving children’s health.

Biotinidase Deficiency

An inherited disorder characterized by a deficiency of the biotinidase enzyme needed to metabolize a B vitamin.

Phenylketonuria (PKU)

PKU is a recessive disorder which occurs in about one in 10,000 to 15,000 live births and is caused by a deficiency of the enzyme phenylalanine hydroxylase.