TITLE 50: INSURANCE CHAPTER I: DEPARTMENT OF INSURANCE SUBCHAPTER ww: HEALTH CARE SERVICE PLANS PART 4521 HEALTH MAINTENANCE ORGANIZATION The General Assembly's Illinois Administrative Code database includes only those rulemakings that have been permanently adopted. This menu will point out the Sections on which an emergency rule (valid for a maximum of 150 days, usually until replaced by a permanent rulemaking) exists. The emergency rulemaking is linked through the notation that follows the Section heading in the menu. View Entire Part Section 4521.10 Scope Section 4521.20 Definitions Section 4521.30 Valuation of Investments Section 4521.40 Grievance Procedure Section 4521.50 Contracts, Administrative Arrangements and Material Modifications Section 4521.60 Rates Section 4521.70 Subordinated Indebtedness Section 4521.80 Financial Reporting (Repealed) Section 4521.90 Conflict of Interest and Required Disclosure Section 4521.100 Solicitation Section 4521.110 Requirements for Group Contracts, Evidences of Coverage and Individual Contracts Section 4521.111 Cancellation Section 4521.112 Form Filing Requirements Section 4521.113 Point of Service Plan Requirements Section 4521.120 Internal Security Standards and Fidelity Bonds Section 4521.130 Basic Health Care Services Section 4521.131 Basic Outpatient Preventive and Primary Health Care Services for Children Section 4521.132 Required Coverage for Reconstructive Surgery Following Mastectomies Section 4521.140 General Provisions Section 4521.141 HMO Producer Licensing Requirements Section 4521.142 Limited Insurance Representative Requirements - Public Aid and Medicare Enrollers Section 4521.150 Severability

AUTHORITY: Implementing and authorized by Sections 4-6.1, 4-17, 5-2 and 5-7 of the Health Maintenance Organization Act [215 ILCS 125/4-6.1, 4-17, 5-2 and 5-7]; 42 U.S.C. 300gg-22; and 45 CFR 150.101(b)(2) and 150.201.

SOURCE: Filed June 16, 1976, effective July 1, 1976; codified at 7 Ill. Reg. 3016; amended at 15 Ill. Reg. 199, effective December 28, 1990; amended at 20 Ill. Reg. 10639, effective July 25, 1996; recodified at 21 Ill. Reg. 1729; emergency amendment at 21 Ill. Reg. 15262, effective November 18, 1997, for a maximum of 150 days; amended at 22 Ill. Reg. 6671, effective March 31, 1998; amended at 23 Ill. Reg. 5690, effective May 3, 1999; emergency amendment at 26 Ill. Reg. 5146, effective March 25, 2002, for a maximum of 150 days; amended at 26 Ill. Reg. 13088, effective August 19, 2002; transferred from the Department of Insurance to the Department of Financial and Professional Regulation pursuant to Executive Order 2004-6 on July 1, 2004; amended at 28 Ill. Reg. 14412, effective October 19, 2004; amended at 30 Ill. Reg. 4732, effective March 2, 2006; transferred from the Department of Financial and Professional Regulation to the Department of Insurance pursuant to Executive Order 2009-4 on June 1, 2009; amended at 37 Ill. Reg. 14032, effective August 26, 2013; amended at 38 Ill. Reg. 2272, effective January 2, 2014; amended at 38 Ill. Reg. 23437, effective November 25, 2014; amended at 39 Ill. Reg. 6505, effective April 24, 2015; recodified from 50 Ill. Adm. Code 5421 to 50 Ill. Adm. Code 4521 at 41 Ill. Reg. 4985; amended at 43 Ill. Reg. 9386, effective August 26, 2019; amended at 48 Ill. Reg. 7266, effective April 30, 2024.