Illinois Illinois UM – 9.17.19 Note: Hyperlinks are not available for all citations. I.  Scope and Applicability A.  Who is subject to the state’s utilization management regulations? Any entities who conduct utilization review programs in Illinois. 215 Ill. Comp. Stat. Ann. 134/85(a) HMOs? Yes. Insurers? Yes. Utilization Review Organizations? Yes. ACOs? Yes, if the ACO is […]

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