(1) The medicaid agency covers orally administered enteral nutrition products, equipment and related supplies for clients who have amino acid, fatty acid, and carbohydrate metabolic disorders, including phenylketonuria (PKU), if the client requires a specialized nutrition product.

(2) Providers must use the agency's authorization processes as follows:

(a) Providers must use the expedited prior authorization (EPA) process for clients age twenty and younger.

(b) Providers may use the exception to rule process for clients age twenty-one and older.