| Inborn Error Metabolism | Examples [10]. |
| Urea cycle disorders | Ornithine transcarbamylase deficiency, citrullinemia, argininosuccinic aciduria, argininemia |
| Organic acidemias | Propionic acidemia, methylmalonic aciduria, isovaleric acidemia, glutaric acidemia, maple syrup urine disease |
| Fatty acid oxidation defects | Medium chain acyl-CoA dehydrogenase deficiency, carnitine palmitoyl transferase 1 deficiency, long chain hydroxyacyl-CoA dehydrogenase deficiency |
| Amino acidopathies | Tyrosinemia, phenylketonuria, homocysteinuria |
| Carbohydrate disorders | Galactosemia, fructosemia |
| Mitochondrial disorders | MELAS, MERFF, pyruvate dehydrogenase deficiency |