means certified adult day services that are either provided or needed on fewer than 7 days each week, or less than 8 hours of each day for periods of 21 days or less (with extensions in exceptional circumstances when the need for additional care is finite and predictable). (ii) For purposes of subparagraph (B)(vi), the term medication management program means a program of education and services (that meets such criteria as the Secretary determines appropriate) to minimize— (I) unnecessary or inappropriate use of prescription drugs