; or (II) treatment for cancer; (ii) is a resident of a long-term care facility, of a facility described in section 1905(d), or of another facility for which frequently abused drugs are dispensed for residents through a contract with a single pharmacy; or (iii) the State elects to treat as exempted from such requirements. (B) Exception relating to ensuring access In order to ensure reasonable access to health care, the Secretary shall waive the drug review and utilization requirements under this subsection, with respect to a State, in the case of natural disasters and similar situations, and in the case of the provision of emergency services (as defined for purposes of section 1860D–4(c)(5)(D)(ii)(II)). . (3) Managed care entities Section 1932 of the Social Security Act ( 42 U.S.C. 1396u–2 ) is amended by adding at the end the following new subsection: (i) Drug utilization review activities and requirements Beginning not later than October 1, 2019, each contract under a State plan with a managed care entity (other than a primary care case manager) under section 1903(m) shall provide that the entity is in compliance with the applicable provisions of section 438.3(s)(2) of title 42, Code of Federal Regulations, section 483.3(s)(4)) of such title, and section 483.3(s)(5) of such title, as such provisions were in effect on March 31, 2018. . (b) Identifying and addressing inappropriate prescribing and billing practices under Medicaid (1) In general Section 1927(g) of the Social Security Act ( 42 U.S.C. 1396r–8(g) ) is amended— (A) in paragraph (1)(A)— (i) by striking of section 1903(i)(10)(B) and inserting of section 1902(a)(54) ; (ii) by striking , by not later than January 1, 1993, ; (iii) by inserting after gross overuse, the following: excessive utilization, ; and (iv) by striking or inappropriate or medically unnecessary care and inserting inappropriate or medically unnecessary care, or prescribing or billing practices that indicate abuse or excessive utilization