of such plan) on the availability of health home services for children with medically complex conditions, including the process by which such providers can refer such children to a designated provider, team of health care professionals operating such a provider, or health team for the purpose of establishing a health home through which such children may receive such services. (3) Family education In order for a State plan amendment to be approved under this section, a State shall include in the State plan amendment a description of the State’s process for educating families with children eligible to receive health home services pursuant to this section of the availability of such services. Such process shall include the participation of family-to-family entities or other public or private organizations or entities who provide outreach and information on the availability of health care items and services to families of individuals eligible to receive medical assistance under the State plan (or a waiver of such plan). (4) Mental health coordination A State with a State plan amendment approved under this section shall consult and coordinate, as appropriate, with the Secretary in addressing issues regarding the prevention and treatment of mental illness and substance use among children with medically complex conditions receiving health home services under this section. (e) Guidance on coordinating care from out-of-State providers (1) In general Not later than October 1, 2020, the Secretary shall issue (and update as the Secretary determines necessary) guidance to State Medicaid directors on— (A) best practices for using out-of-State providers to provide care to children with medically complex conditions