The Future of Prior Authorization in Washington State

Washington has enacts a comprehensive law designed to modernize prior authorization practices in response to longstanding prior authorization concerns.

February 4, 2026

Prior authorization remains one of the most administratively demanding aspects of healthcare delivery, affecting providers, payers, pharmacy benefit managers, and patients alike. In response to longstanding concerns around delays in care and inconsistent decision-making, Washington State has enacted RCW 48.43.830, a comprehensive law designed to modernize prior authorization practices. This statute reflects a broader movement toward faster, more transparent, and technology-driven utilization management across the healthcare system.

Overview of RCW 48.43.830 Requirements

RCW 48.43.830 establishes standardized expectations for how health carriers must process prior authorization requests. The law applies to health plans issued or renewed in Washington State beginning January 1, 2024, with full operational compliance required by January 1, 2027. Its primary objective is to ensure that prior authorization decisions occur within defined timelines and do not create unnecessary barriers to medically appropriate care.

Under the statute, carriers must respond to electronic prior authorization requests within three calendar days for standard requests and within one calendar day for expedited requests once all required clinical information has been received. Non-electronic requests are granted slightly longer response windows, though they are still subject to firm deadlines. Importantly, the law requires carriers to actively notify providers when submissions are incomplete, preventing requests from lingering without resolution.

Emphasis on Transparency and Electronic Prior Authorization

A core pillar of RCW 48.43.830 is transparency. Health carriers are required to use evidence-based clinical criteria and make those criteria accessible electronically upon request. This provision is intended to reduce ambiguity for providers and ensure that authorization decisions are grounded in consistent, objective standards rather than opaque internal rules.

The law also mandates the adoption of electronic prior authorization capabilities. By 2027, carriers must support electronic systems that integrate with provider workflows, allowing for digital submission, real-time status updates, and electronic decision delivery. These requirements reflect the state’s intent to move prior authorization away from manual, phone-and fax-based processes and toward interoperable, scalable technology solutions.

Operational Impact on Payers and PBMs

For payers and pharmacy benefit managers, RCW 48.43.830represents a significant operational shift rather than a simple policy update. Meeting statutory timelines requires robust intake systems, consistent application of clinical criteria, and the ability to generate defensible decisions at scale. Manual review processes and fragmented rules engines often struggle to meet these demands, particularly as authorization volumes continue to rise.

Compliance also introduces new expectations around auditability and regulatory oversight. Organizations must be able to demonstrate that determinations were made within required timeframes and supported by appropriate clinical rationale. This elevates the importance of structured data, decision traceability, and reporting readiness.

Aligning Prior Authorization Technology With Regulatory Change

Modern prior authorization technology plays a critical role in enabling compliance with RCW 48.43.830. Automation and clinical intelligence allow payers and PBMs to evaluate requests more efficiently while maintaining alignment with evidence-based guidelines. Advanced systems can issue real-time determinations for a substantial portion of requests, reserving human clinical review for complex or exception-based cases.

Banjo Health supports this transition by embedding proprietary AI models directly into prior authorization workflows. By evaluating requests against payer-defined policies and clinical standards in real time, Banjo enables faster, more consistent determinations that align with Washington’s statutory deadlines. The platform integrates with existing utilization management systems and electronic prior authorization channels, improving performance without requiring disruptive infrastructure changes.

Preparing for the Future of Prior Authorization Reform

While RCW 48.43.830 is a Washington-specific regulation, its principles mirror broader federal and state reform efforts focused on interoperability, accountability, and patient access. Organizations that invest early in scalable, automated prior authorization solutions will be better positioned to adapt to future regulatory changes with minimal operational disruption.

As prior authorization continues to evolve, compliance is increasingly inseparable from technology strategy. Laws like RCW 48.43.830signal a future in which speed, transparency, and defensibility are baseline expectations. Aligning operational workflows with these standards is no longer optional, making technology-enabled prior authorization a strategic necessity for payers and PBMs operating in Washington State and beyond.

How Banjo Can Help

Ready to see how compliance with RCW 48.43.830 can become a competitive advantage rather than an operational burden? Banjo Health helps payers and PBMs meet Washington State’s prior authorization requirements with speed, transparency, and clinical rigor built in. Schedule a demo today to see how Banjo’s AI-powered platform streamlines prior authorization workflows, supports statutory turnaround times, and prepares your organization for the future of regulatory reform.