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How Does Aggravation of an Injury Work in Nevada?

22 Sep, 2025 Frank Ferreri

las vegas 1620961 640
                               
Compliance Corner

What does it mean for a worker who experiences employment-related aggravation of preexisting condition that is not employment related? What about when the worker experiences aggravation of an employment-related injury by incident that is not employment related?

Simply Research subscribers have access to that information, thanks to our Compliance Summaries, but here's a look.

Employment-Related Aggravation of Preexisting Condition

The resulting condition of an employee who:

(a) Has a preexisting condition from a cause or origin that did not arise out of or in the course of the employee's current or past employment; and

(b) Subsequently sustains an injury by accident arising out of and in the course of his or her employment which aggravates, precipitates or accelerates the preexisting condition,

shall be deemed to be an injury by accident that is compensable pursuant to the provisions of chapters 616A to 616D, inclusive, of NRS, unless the insurer can prove by a preponderance of the evidence that the subsequent injury is not a substantial contributing cause of the resulting condition.

Non-Employment-Related Aggravation of an Employment-Related Injury

The resulting condition of an employee who:

(a) Sustains an injury by accident arising out of and in the course of his or her employment; and

(b) Subsequently aggravates, precipitates or accelerates the injury in a manner that does not arise out of and in the course of his or her employment,

shall be deemed to be an injury by accident that is compensable pursuant to the provisions of chapters 616A to 616D, inclusive, of NRS, unless the insurer can prove by a preponderance of the evidence that the injury described in paragraph (a) is not a substantial contributing cause of the resulting condition.


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    About The Author

    • Frank Ferreri

      Frank Ferreri, M.A., J.D. covers workers' compensation legal issues. He has published books, articles, and other material on multiple areas of employment, insurance, and disability law. Frank received his master's degree from the University of South Florida and juris doctor from the University of Florida Levin College of Law. Frank encourages everyone to consider helping out the Kind Souls Foundation and Kids' Chance of America.

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