[header] How to care for a child with metabolic disorders [title] Contact a medical professional to run the appropriate tests and to arrive at an official diagnosis. [step] If your child has not been officially diagnosed by a physician and you suspect she has a metabolic disorder, you should contact a doctor immediately. The physician will run blood work and other tests in order to gather important data needed for a diagnosis. 
Your physician might even refer you to a specialist or others who might be important members of your medical support team. [substeps] Be prepared for a wide array of tests, including blood work.