UnitedHealth Group is significantly overhauling its patient pre-approval process by using AI to automate and reduce reviews.
The Wall Street Journal reported that UnitedHealthcare, the company's insurance division, plans to cut its prior authorization (PA) reviews by about one-third. This isn't a surprise, as the company had already signaled a major investment in AI and a goal to reduce PA volume by over 30% in 2026. The announcement formalizes this strategy, which is more about improving operations and managing reputation than boosting short-term profits.
This strategic shift is driven by three main forces. First is regulatory pressure. New rules from the U.S. Centers for Medicare & Medicaid Services (CMS), which take full effect in 2026, mandate smoother and faster electronic prior authorization (ePA), making it a baseline compliance issue.
Second, there is mounting legal risk. UnitedHealth faces a class-action lawsuit alleging its AI tool, nH Predict, was used to wrongly deny care to elderly patients. A recent court order for broad discovery in this case has increased the incentive to simplify the approval process and reduce the appearance of 'algorithmic denials.'
Third, industry-wide commitments are playing a key role. UnitedHealth, along with over 50 other insurance plans, pledged in 2025 to reduce PA volumes and move toward real-time decisions. This public commitment creates pressure to show tangible results.
While the move is significant, its direct financial impact may be modest. Automating reviews could save around $48 million in administrative staff hours, a tiny fraction (~0.08%) of the company's total operating costs. Meanwhile, if the new system approves just 1% more services, medical costs could rise by $76 million or more, potentially increasing the Medical Care Ratio (MCR).
Therefore, the primary benefits are not in direct cost savings. Instead, they lie in creating a more efficient system with faster decisions, fewer appeals, and better relationships with healthcare providers. Most importantly, it's a crucial step in managing legal and reputational risks associated with AI in healthcare.
- Prior Authorization (PA): A process required by many health insurance companies to determine if they will cover a prescribed procedure, service, or medication.
- CMS: The Centers for Medicare & Medicaid Services, a federal agency within the U.S. Department of Health and Human Services that administers the Medicare program and works in partnership with state governments to administer Medicaid.
- Medical Care Ratio (MCR): The percentage of premium revenue that an insurer spends on medical care and services. A lower MCR can indicate higher profitability.