Illinois enacts limits on insurer downcoding

Illinois Gov. J.B. Pritzker signed a new law aimed at curbing automatic downcoding by health insurers, a move physicians say will protect reimbursement and patient access. The measure passed unanimously in both chambers of the General Assembly and adds new notice and appeal requirements for claim reviews.

Why it matters: - The new law restricts health insurers from automatically reducing physician payments through downcoding. - Illinois physicians say the change helps protect reimbursement for medical practices and supports access to care for patients with complex or chronic conditions. - The measure is intended to keep clinical judgment, rather than software, at the center of claim review decisions.

What happened: - Gov. J.B. Pritzker signed the Transparency in Downcoding Act, Senate Bill 3114, into law in Illinois. - The Illinois State Medical Society praised the signing after the bill passed unanimously in both chambers of the General Assembly. - The law targets the insurer practice of using automated systems to lower physician reimbursement without reviewing clinical documentation.

The details: - The law prohibits a health insurance issuer from using an automated process, system or tool to downcode a claim. - Claim review must be done by a live person, not an automated system. - Reviewers must refer to the most up-to-date AMA CPT® Coding Guideline before downcoding a claim. - Physicians must be clearly notified when a claim is downcoded and paid at a lower level. - The notice must include the clinical reason for the downcoding. - Health insurers must create a clear and accessible process for disputing downcoded claims. - Appeals must be reviewed by an individual with experience with the medical condition being managed and the services being downcoded. - The law bars insurers from using downcoding to discriminate against physicians who commonly treat patients with complex or chronic conditions. - ISMS thanked Sen. Dave Koehler, Rep. Sharon Chung, Rep. Jeff Keicher and Rep. Bill Hauter for sponsoring and advocating for the legislation. - ISMS president Dr. Tripti Kataria said the law will help preserve the financial viability of Illinois medical practices and secure continued access to quality healthcare. - ISMS points readers to its 2026 downcoding survey report for more information on the impact of downcoding on physicians.

Between the lines: - The law reflects a broader push from physicians to rein in insurer automation in payment decisions. - Requiring a human reviewer and a specific explanation for downcoding raises the bar for claim denials and may make insurer payment cuts easier to challenge. - The focus on complex and chronic care suggests lawmakers are responding to pressure on practices that treat higher-acuity patients.

What's next: - Health insurers operating in Illinois will need to update claim review and appeals processes to comply with the new requirements. - Physicians are likely to use the law’s notice and appeal provisions to contest downcoded claims more directly. - The impact of the law on reimbursement disputes and practice finances will become clearer as insurers implement the new rules.

The bottom line: - Illinois has put new guardrails around automatic downcoding, giving doctors more protection against insurer-driven payment cuts.