Section R414-31-1 - Introduction and Authority(1) Except for certain age groups, Medicaid excludes coverage of patients in an institution for mental disease. The State has elected to cover these inpatient psychiatric services for individuals under age 21 in accordance with the conditions set forth below.(2)42 USC 1396 d(a)(16) and (h) authorizes the provision of this service under a state's Medicaid program.Utah Admin. Code R414-31-1