mental health diagnosis, including by age, enrolled in such plan or waiver for each major type of service specified under paragraph (2). (5) The number and percentage of individuals by age enrolled in the State Medicaid plan or waiver by major enrollment category, who received mental health services through— (A) a Medicaid managed care entity (as defined in section 1932(a)(1)(B) of the Social Security Act ( 42 U.S.C. 1396u–2(a)(1)(B) )), including the number of such individuals who received such assistance through a prepaid inpatient health plan (as defined by the Secretary) or a prepaid ambulatory health plan (as defined by the Secretary)