Utilization Review vs. Peer Review in Medical-Legal Claims

Welcome back to our 26 in '26 Blog Series. Each post will address a top-of-mind topic in the clinical evaluation services sector. In the previous post we discussed Timeliness. This is the twenty-first post in our series where we will discuss Utilization Vs. Peer Review.

Utilization Review (UR) and Peer Review are often confused, but they serve different purposes and are subject to different regulatory expectations.

UR is typically a regulated process that addresses a narrow question: is the requested treatment medically necessary at this time under applicable rules? It involves defined timelines, notice requirements, and appeal rights—especially in Workers’ Compensation.

Peer Review is a broader clinical analysis. It may address reasonableness of care, guideline alignment, causation context, and record consistency. It is often discretionary and carries less regulatory exposure.

Using Peer Review to perform UR functions can create compliance risk. Using UR when Peer Review would suffice can unnecessarily slow claims.

Independent Medical Exams (IMEs), Functional Capacity Exams (FCEs), and Fitness-for-Duty Exams (FFD) sit alongside these tools, answering different questions through examination or functional assessment.

Clarity of purpose—knowing which question you are trying to answer—is essential to choosing the right tool.

Best Practice

Match the tool to the purpose: use UR when regulations require it and Peer Review when broader clinical insight is needed.

Next in the Series

Next: V — Vocational Considerations: where medical opinions meet employability.