Quick Answer
Guide to appealing denied workers' compensation claims in Illinois including arbitration hearings, IWCC Commission review, and circuit court appeals.
Denied Illinois workers' compensation claims proceed through the IWCC arbitration and appeal process.
Illinois Appeals Process
Three levels:
- Arbitration Hearing
- IWCC Commission Review
- Circuit Court Appeal
Arbitration Hearing
Before Arbitrator: IWCC administrative judge Evidence presented: Medical records, testimony, documents Decision: Written arbitration decision Timeline: Varies, typically 6-18 months
Commission Review
Deadline: 30 days from arbitration decision Reviews: Entire record Can modify: Or affirm arbitrator decision
Circuit Court
Further appeal: To circuit court Judicial review: Final level
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Last updated: January 5, 2026
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