Illinois Work Comp Class Codes

Illinois Workers Compensation Class Codes

Illinois Workers Compensation Class Codes

Looking for Illinois workers compensation class codes? You can view our online guide for free. The Illinois classification system is managed and maintained by the National Council on Compensation Insurance (NCCI).

You can view our guide for locating NCCI Codes by following the link, or clicking the image to the right.

Free online lists will include a complete numerical index of class codes, including a general short description for each code.

For authoritative classification information, you will need to purchase an NCCI Scopes Manual. You can purchase a Scopes Manual from the NCCI online catalog, as well as other helpful underwriting material.

For other helpful underwriting products and services, you can visit the NCCI Online Catalog, or the IRMI Online Catalog.

Illinois Workers Compensation Rates

Looking for Illinois workers compensation rates? Visit our page for workers compensation rates by state. Our list contains estimated base rates for the state of Illinois. Rates will vary from one insurance company to another. Rates will also vary based on other factors such as:

Illinois Workers Compensation Rates

Illinois Workers Compensation Rates


  • Years in business
  • Experience Modification Rate (MOD)
  • Size of deductible
  • Years of consecutive coverage / gaps in coverage
  • Financial condition of the company
  • Trajection of the company size (increase or decrease)
  • Employee turnover rate
  • Quality of safety programs (if any)
  • Employee return-to-work programs
  • And many other factors!


Workers Compensation State Resources: Illinois

Illinois Department of Insurance (IDOI)
Springfield Office
320 W Washington
Springfield, IL 62767
Chicago Office
122 S. Michigan Ave., 19th Floor
Chicago, IL 60603
Phone: 866-445-5364

Illinois Workers’ Compensation Commission

100 W Randolph St Suite 8-200
Chicago, IL 60601

 Quick Overview: IL Work Comp

  • Uses the NCCI classification system
  • Work Comp is mandatory for employers
  • Contract with Travelers for the state fund
  • Employee retains right to initial choice of physician
  • Benefit waiting period of 3 days after injury
  • Attorney fees of up to 20% are permitted
Illinois Workers Compensation Classification Codes

Illinois Workers Compensation Classification Codes


Illinois Workers Compensation Class Codes