Defensibility & Documentation
What Are the Most Common Errors in Impairment Rating Reports?
Eight in ten impairment rating reports contain errors. The six most common: wrong edition, premature MMI, wrong method, weak documentation, apportionment.
Impairment Rating Fundamentals
What Is Apportionment in an Impairment Rating?
Apportionment separates current-injury impairment from prior impairment. How to apply it under the AMA Guides and Nevada NRS 616C.099.
Impairment Rating Fundamentals
What Is the Difference Between an Impairment Rating and a PPD Rating?
An impairment rating is medical. A PPD rating is legal. Physicians produce the WPI; states convert it. Where the physician's role ends.
Impairment Rating Fundamentals
What Is MMI, and When Does It Trigger an Impairment Rating?
Maximum Medical Improvement (MMI) is the clinical threshold that triggers an impairment rating. How MMI is determined and why it matters.
Impairment Rating Fundamentals
What's the Difference Between Impairment and Disability?
Impairment is a medical finding. Disability is a legal determination. Conflating them is one of the most common errors opposing counsel will spot.
Impairment Rating Fundamentals
What Is WPI? Understanding Whole Person Impairment Ratings
WPI (Whole Person Impairment) is a percentage of how much an injury reduces functional capacity. How it's calculated and how it differs from disability.