Iowa SSB 3118 regulates the use of artificial intelligence by utilization review organizations (UROs) in prior authorization decisions and establishes new peer review requirements. Division I prohibits UROs from using AI-based algorithms as the sole basis for denying, delaying, or downgrading prior authorization requests based on medical necessity, and requires that denial or downgrade decisions be made by a qualified reviewer (physician) or clinical peer with matching specialty expertise. Division II exempts cancer-related screenings and preventative services from prior authorization requirements when recommended by a health care professional based on NCCN clinical practice guidelines. Division III establishes procedural requirements for prepayment audits, including notification timelines, completion deadlines, appeal rights, and automatic claim approval for violations. The Commissioner of Insurance has rulemaking authority to administer and enforce all three divisions. The bill applies to requests and audits on or after January 1, 2027.