Prior authorization grew far beyond its original purpose

The reform narrative around prior authorization is louder than it has been in a decade. Commercial payers are announcing voluntary volume reductions. CMS is piloting AI-assisted review in Medicare fee-for-service for the first time. Legislators are pushing back, physicians are speaking out about administrative work that has nothing to do with medicine, and the industry is treating all of this as evidence that the system is finally correcting itself.

That reading is incomplete, and healthcare executives who accept it at face value may be underestimating what comes next. The services being removed from authorization requirements are, by definition, the lowest-risk ones: high approval rates, low variability, and predictable clinical pathways. UnitedHealthcare's early-2026 commitment to eliminate authorization for roughly 30 percent of services falls largely into that category. The requirements that remain govern complex imaging, high-cost specialty drugs, and elective procedures where clinical variation is widest and financial stakes are highest. Removing the easy cases reduces volume. It does not eliminate the operational complexity that consumes provider organizations, nor does it address the structural incentives that created the current system.

Prior authorization was created to address a legitimate problem. Certain procedures, technologies, and treatment pathways showed wide variation in utilization without corresponding differences in patient need or outcomes. A clinical review process provided a way to evaluate high-cost, high-variability services before payment commitments were made.

Over time, however, the scope of prior authorization expanded far beyond those original use cases. New requirements were added incrementally in response to audits, utilization patterns, and internal policy changes. Each individual addition appeared reasonable in isolation. Collectively, they produced a system in which authorization requirements now touch a remarkable share of routine clinical activity, much of which will ultimately be approved anyway.

The industry's own numbers raise an important question. According to the American Medical Association's 2024 survey, 93 percent of physicians reported care delays linked to prior authorization requirements, while physician practices spend an average of 13 hours each week completing authorization-related work. At the same time, UnitedHealthcare reports approval rates exceeding 90 percent for submitted requests.

If the overwhelming majority of requests are eventually approved, then the conversation cannot focus exclusively on inappropriate utilization. It must also account for the administrative cost of reviewing care that was likely to proceed regardless. Providers absorb that cost through staffing and workflow burden. Physicians absorb it through time diverted from patient care. Patients absorb it through delays that accumulate across the care journey.

The challenge is not simply whether denials occur. It is whether the resources devoted to reviewing low-risk services are proportional to the value being created.

Operational reality inside provider organizations

Anyone who has spent time inside a hospital revenue cycle department, large physician group, or integrated health system has seen how authorization requirements now influence day-to-day operations.

The burden is no longer limited to a handful of specialized services. Authorization teams routinely manage hundreds of requests each day across multiple service lines. As requirements expand, organizations often respond by adding staff. Yet many discover that staffing alone does not solve the problem because the underlying challenge is variability. Volume fluctuates. Requirements change. Documentation standards differ by payer and service category.

The result is an operational environment that becomes harder to plan, forecast, and automate.

Physicians experience the impact differently. In many high-burden specialties, treatment decisions increasingly account for anticipated authorization friction. The most common response is not necessarily changing a treatment plan. It is delaying action until a later visit, modifying documentation requirements, or pursuing alternatives that avoid a lengthy approval cycle.

Those decisions rarely appear in authorization statistics. Their effects emerge later in scheduling data, treatment timelines, patient experience measures, and ultimately clinical outcomes.

Perhaps the clearest illustration of the problem is payer variation. A health system may contract with 15 to 20 health plans, each with different clinical criteria, workflows, portals, escalation paths, and appeal requirements. A procedure that qualifies under one payer's standards may require entirely different documentation under another.

This variation creates costs that technology alone cannot solve. Automation depends on consistency. Prior authorization remains defined by inconsistency.

One useful indicator of that inconsistency is appeal performance. Many sophisticated provider organizations report authorization appeal success rates exceeding 60 percent. When a large share of denials are overturned, the issue is not merely provider compliance. It suggests that first-pass decisions may be based on outdated criteria, inconsistent interpretation, or review processes that fail to reflect current clinical realities.

What policy discussions often miss

Much of the public debate focuses on whether prior authorization should exist.

The more practical question is how it functions in real operating environments.

Provider organizations do not experience prior authorization as a single policy. They experience it as thousands of interactions across specialties, locations, payer contracts, staffing models, and documentation workflows. The cumulative impact often receives less attention than the policy arguments themselves.

This distinction matters because operational friction compounds. A few hours of delay on a single authorization may appear insignificant. Across a health system processing thousands of requests each month, those delays become a meaningful driver of labor costs, scheduling inefficiencies, and patient dissatisfaction.

Understanding prior authorization therefore requires looking beyond denial rates. Approval rates, appeal outcomes, turnaround times, workflow burden, and care delays often reveal more about the effectiveness of the system than authorization volume alone.

The payer perspective and the limits of simplification

The provider perspective is only part of the story.

Prior authorization exists because the healthcare system has a documented history of unnecessary utilization, significant practice-pattern variation, and inconsistent adherence to evidence-based standards. Without some form of clinical review, payers would have fewer tools to manage services that carry substantial financial and quality implications.

Simplification is also more difficult than it can appear from the outside.

National insurers manage multiple product lines, employer groups, regulatory frameworks, and member populations. A service category that represents low risk in one setting may present different concerns in another. Decisions about removing authorization requirements therefore involve tradeoffs that extend well beyond administrative convenience.

That context helps explain recent payer announcements.

When UnitedHealthcare announced plans to eliminate prior authorization requirements for approximately 30 percent of currently reviewed services, the commitment represented a meaningful operational change. Yet the categories being removed generally have predictable pathways and high approval rates. Removing those services should reduce volume. Whether it meaningfully changes complexity is a different question.

The services that remain under authorization are often the ones associated with the greatest clinical variation, highest costs, and most significant operational challenges. Those cases continue to demand extensive review and coordination regardless of broader simplification efforts.

It is also important to consider the environment in which these commitments are being made. Public pressure, legislative scrutiny, and growing concern over delays in care have elevated prior authorization from an operational issue to a reputational one. That does not diminish the significance of payer reform efforts. It does mean that long-term results will matter more than headline announcements.

The WISeR era and the accountability question

The contrast between commercial payer initiatives and CMS's WISeR model reflects a larger shift taking place across healthcare.

While some commercial insurers are reducing authorization requirements, CMS is increasing oversight in selected areas through AI-assisted review processes. The result is not a uniformly simpler environment. It is a more complex one.

The promise of AI is easy to understand. Better triage, faster routing, improved documentation review, and earlier identification of incomplete submissions could all reduce administrative burden.

The challenge is accountability.

When a physician receives a denial from a process that includes algorithmic review, determining how that decision was reached can become more difficult. Questions that once involved a clinician-to-clinician discussion now may involve multiple layers of technology, contractors, and review workflows.

The issue is not whether AI should be used. It is whether transparency and accountability are keeping pace with deployment.

Early observations from the WISeR pilot suggest that question deserves careful attention. Reports from Washington state indicated authorization timelines extending beyond historical norms for some services. Whether those delays prove temporary or persistent remains to be seen. What is already clear, however, is that technology alone does not eliminate friction. In some cases, it simply changes where that friction occurs.

As organizations evaluate new authorization technologies, that distinction will become increasingly important.

What pragmatic modernization actually looks like

Healthcare executives, physician practice administrators, and revenue cycle leaders do not have the luxury of waiting for systemic reform. Operational performance still depends on how effectively organizations manage the environment that exists today.

For many provider organizations, the highest-leverage improvement is not a new technology platform. It is workflow redesign.

Authorization challenges frequently originate because clinical decisions and supporting documentation occur at different points in the care process, often involving different teams with different objectives. The farther those activities drift apart, the more likely delays, rework, and denials become.

Organizations that build authorization requirements into clinical workflows from the outset tend to perform better than those that rely on retrospective documentation and manual intervention. The work is rarely glamorous. It requires physician engagement, EHR optimization, operational alignment, and sustained governance. It is also where many of the most meaningful improvements occur.

Another underutilized capability is payer intelligence.

Most provider organizations possess extensive data on denial patterns, appeal outcomes, turnaround times, and payer-specific requirements. Far fewer translate that information into operational insight. Understanding which services generate disproportionate authorization burden, which payers create the most friction, and where denial trends are changing can help organizations focus resources where they will have the greatest impact.

Organizations that systematically connect authorization data to clinical and operational decision-making often see improvements in both staff productivity and approval performance.

Closing perspective

Prior authorization is changing, but change alone should not be confused with resolution.

Volume reductions, interoperability mandates, AI-assisted review tools, and growing regulatory scrutiny will reshape parts of the authorization landscape over the next several years. Some administrative burden will likely decline. Certain processes will improve. The trajectory is moving in a more constructive direction than it was five years ago.

Yet the most consequential authorization decisions remain concentrated in the cases that are hardest to standardize, hardest to automate, and most clinically significant.

For healthcare leaders, the practical question is no longer whether reform is coming. It is whether their organizations are prepared for the environment that emerges after the initial wave of reform.

The organizations best positioned for that future will have a clear understanding of payer behavior, strong utilization management practices, and workflows that connect clinical decision-making to authorization requirements before delays occur. They will treat authorization as an operational discipline rather than an administrative afterthought.

The gap between what prior authorization was intended to accomplish and what it often delivers in practice remains significant. Closing that gap will not happen through policy announcements alone. It will happen through better operational design, better accountability, and a deeper understanding of how these processes affect care delivery across the organization.

For health systems, physician groups, and healthcare leaders navigating these realities, the advantage will belong to those who build that capability now rather than waiting for the system to simplify itself.

‍