Ill. Admin. Code tit. 50, § 4530.40
b) A health carrier must file with the Director for approval sample copies of:
1) All notices and forms that carriers must provide to covered persons under Sections 20, 25, 35, 40 and 42 of the Act. In addition to those statutory requirements, the following information must be included on notices sent to members in response to member appeals:
I) All notices shall include the following contact information for the Department of Insurance:
Illinois Departments of Insurance
Office of Consumer Health Insurance
External Review Unit
320 W. Washington Street
Springfield IL 62767
Toll-free Telephone: (877) 850-4740
Fax: (217) 557-8495
Email: doi.externalreview@illinois.gov
Website: https://mc.insurance.illinois.gov/messagecenter.nsf
3) Statements informing the covered person and any authorized representative that a standard external review request deemed to be ineligible for review by the plan or its representative may be appealed to the Director by filing a complaint with the Director. The health carrier shall use the following address and provide the following contact information when directing the covered person or authorized representative to appeal initial determinations of ineligibility for standard external review:
The Illinois Department of Insurance
Office of Consumer Health Insurance
External Review Unit
320 West Washington Street
Springfield IL 62767
Toll-free Telephone: (877) 527-9431
Fax: (217) 557-8495
Email: doi.externalreview@illinois.gov
Website: https://mc.insurance.illinois.gov/messagecenter.nsf
4) Statements informing the covered person and any authorized representative that an expedited external review request deemed to be ineligible for review by the plan or its representative may be appealed to the Director by filing a complaint with the Director. The health carrier shall use the following address when directing the covered person or authorized representative to appeal initial determinations of ineligibility for expedited external review:
The Illinois Department of Insurance
Office of Consumer Health Insurance
External Review Unit
320 West Washington Street
Springfield IL 62767
Toll-free Telephone: (877) 850-4740
Fax: (217) 557-8495
Email: doi.externalreview@illinois.gov
Website: https://mc.insurance.illinois.gov/messagecenter.nsf
5) Special Rules for Multi-State Plans Under the Marketplace
Pursuant to the U.S. Office of Personnel Management's (OPM) Multi‑State Plan Program regulation at 45 CFR 800.5023, OPM administers the External Review Process for disputed adverse benefit determinations submitted by enrollees in Multi-State Plan health insurance options.
(Source: Amended at 42 Ill. Reg. 20426, effective November 1, 2018)