What are analytes?
A. An analyte is the specific enzyme, chemical, or molecule that is tested for and measured to determine if a child has a NBS disorder. Many of the analytes are listed by name. For example, phenylalanine is the analyte measured which indicates PKU and thyroxine (T4) is the analyte measured which indicates hypothyroidism. However, Fatty Acid and Organic Acid disorder analytes are listed by abbreviations of the acylcarnitine markers or ratios that identify the disorder (i.e. C8, C6, C10:1, C10, C8/C2 are the analytes that are measured and may indicate the MCAD disorder). ^ Top Q. Are we responsible for ordering the plasma acylcarnitine profile, urine acylglycine, and urine organic acid tests, or will the specialist order them? If we have to order the tests, what laboratory do you suggest we use? A. The suggested confirmatory tests are listed so that if you wish to order the tests before the specialist is consulted, you can do so. Some people prefer to consult with the specialist first an
