inpatient psychiatric hospital services for individuals under age 21
(1) For purposes of paragraph (16) of subsection (a), the term “inpatient psychiatric hospital services for individuals under age 21” includes only— (A) inpatient services which are provided in an institution (or distinct part thereof) which is a psychiatric hospital as defined in section 1395x(f) of this title or in another inpatient setting that the Secretary has specified in regulations; (B) inpatient services which, in the case of any individual (i) involve active treatment which meets such standards as may be prescribed in regulations by the Secretary, and (ii) a team, consisting of physicians and other personnel qualified to make determinations with respect to mental health conditions and the treatment thereof, has determined are necessary on an inpatient basis and can reasonably be expected to improve the condition, by reason of which such services are necessary, to the extent that eventually such services will no longer be necessary; and (C) inpatient services which, in the case of any individual, are provided prior to (i) the date such individual attains age 21, or (ii) in the case of an individual who was receiving such services in the period immediately preceding the date on which he attained age 21, (I) the date such individual no longer requires such services, or (II) if earlier, the date such individual attains age 22;