| Children and adults with PKU require follow-up care at a medical center or clinic that specializes in this disorder. |
| The only treatment currently available for PKU patients is a highly restrictive and expensive medical food diet that most patients fail to adhere to the extent needed for achieving adequate control of blood Phe levels. |
| All services are provided in both official languages and constitute the core services offered to PKU patients. |
| Examples are present screening of newborns for PKU, hypothyroidism, with immediate treatment. |
| Molecular heterogeneity for PKU results in wide phenotypic heterogeneity, which contributes to biochemical individuality. |
| People with PKU are unable to properly metabolize the amino acid, phenylalanine. |
