DWC Adjusts Official Medical Treatment Utilization Schedule

June 23, 2025 | SIBTF.org – The California Division of Workers’ Compensation (DWC) has announced that it adjusts the Official Medical Treatment Utilization Schedule (MTUS) for 2025. These revisions aim to reflect updated clinical guidelines and enhance recovery outcomes for injured workers across the state.

The updated Official Medical Treatment Utilization Schedule will play a critical role in standardizing care, ensuring that all treatment plans follow the latest evidence-based protocols. DWC emphasized that the 2025 adjustments are part of a broader regulatory effort to reduce medical disputes and streamline the treatment approval process. As such, employers, claims administrators, and healthcare providers are strongly encouraged to review the full scope of changes to the Official Medical Treatment Utilization Schedule to remain compliant and avoid unnecessary delays in patient care.

Evidence-Based Treatment Updates

The MTUS serves as the standard for evaluating medical necessity in workers’ compensation treatment plans. The recent adjustments incorporate new evidence-based research in areas such as chronic pain, orthopedic injuries, and post-surgical rehabilitation. Physicians and claims administrators must follow these updated protocols to ensure care meets current standards.

By staying aligned with national clinical developments, California aims to improve quality of care while preventing unnecessary procedures or delays in treatment approval.

Faster Approvals and Better Oversight

One of the main goals behind the updated schedule is to accelerate the medical review process. With clearer guidelines, utilization review (UR) decisions can be made faster and with greater consistency. This is expected to reduce disputes, delays, and denials that previously burdened both providers and injured workers.

The DWC adjusts Official Medical Treatment Utilization Schedule regularly to maintain transparency, accuracy, and fairness in workers’ comp medical services.

Alignment with SIBTF Claims

Though indirectly related, the MTUS updates can also influence SIBTF cases. Quicker treatment approvals and clearer documentation standards can streamline the medical evidence required for claimants with subsequent injuries. Legal and medical professionals should familiarize themselves with these changes immediately.

Preparing for Compliance

All stakeholders—including physicians, employers, and legal representatives—must update their procedures to reflect the new MTUS guidelines. Staying compliant with the latest treatment criteria is essential for smooth claim resolution in 2025.

Explore official guidance and current updates to the Official Medical Treatment Utilization Schedule on the California DWC website.


Explore how the latest MTUS revisions impact treatment approvals, UR timelines, and SIBTF-related claims. Visit SIBTF.org for updates, expert analysis, and compliance tools.


Read More from SIBTF.org:

FAQs: Understanding the Official Medical Treatment Utilization Schedule

What is the purpose of the Official Medical Treatment Utilization Schedule in workers’ comp?

The Official Medical Treatment Utilization Schedule (MTUS) establishes evidence-based guidelines for treating workplace injuries in California. It helps standardize care and supports faster, more accurate medical approvals in workers’ compensation cases.

How do updates to the Official Medical Treatment Utilization Schedule impact SIBTF claims?

Updates to the Official Medical Treatment Utilization Schedule can influence the timing and validity of medical evidence in Subsequent Injuries Benefits Trust Fund (SIBTF) claims. Clearer clinical standards can streamline documentation and support faster resolution of complex injury cases.

Who must comply with the Official Medical Treatment Utilization Schedule revisions?

Physicians, claims administrators, employers, and legal representatives must follow the updated Official Medical Treatment Utilization Schedule to ensure injured workers receive appropriate and timely care under the current regulations.

What is SIBTF?

The Subsequent Injuries Benefits Trust Fund (SIBTF) provides financial compensation to workers who have a pre-existing disability and experience a new work-related injury that results in greater overall impairment. This fund helps ensure that injured workers with prior conditions are not left without adequate support. SIBTF is a critical part of California’s workers’ compensation system, offering an added layer of protection for the state’s most vulnerable employees.

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