PA Reform EnactedTransparency Requirements
Illinois Prior Authorization Requirements
A guide to prior authorization rules, turnaround times, and laws for medical practices operating in Illinois (IL).
PA Turnaround Times
Standard Requests
15 business days
Urgent / Expedited
24 hours
PA Reform Legislation
Illinois has enacted step therapy legislation that limits insurers from requiring step therapy when a provider documents clinical reasons to skip steps.
Key Regulations
- Standard PA turnaround of 15 business days
- Urgent requests must be resolved within 24 hours
- Step therapy override protections for providers
- Transparency requirements for PA criteria
Illinois Medicaid PA
Illinois Medicaid uses managed care through HealthChoice Illinois. MCOs administer PA under state guidelines.
Recent Changes (2025-2026)
- Step therapy reform legislation strengthening provider override rights
Top Payers in Illinois
Blue Cross Blue Shield of IllinoisUnitedHealthcareAetnaCignaHumana
State Regulatory Body: Illinois Department of Insurance
File PA complaints or appeals through your state insurance department.
Automate PA in Illinois
Greenlight knows every payer's PA requirements in Illinois and checks them automatically before every appointment -- so your staff does not have to.
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