
Illinois Workers’ Comp Treatment Denials: New Law HB 5228 Changes the Rules
Key Takeaways HB 5228 became effective on August 7, 2026. A physician-recommended treatment cannot receive an adverse utilization review determination from just any reviewer. The new law imposes specific professional qualifications. Treatment certifications now remain valid for a defined period, and surgery certifications include certain post-operative care when clinically indicated....








