The department is authorized to establish, administer, and monitor a program to provide health care coverage to uninsured children pursuant to Title XXI (42 U.S.C. § 1397aa et seq.). The department may not use money appropriated for this program to expand eligibility criteria for the Tennessee medicaid program or any other program operated under this title. The program shall not constitute an entitlement to coverage for eligible individuals, and the availability of program benefits is subject to appropriations.