After a work injury in California, one of the key steps in a workers’ compensation case is determining the worker’s impairment rating. This rating reflects the level of permanent medical impairment caused by the injury once the worker’s condition has stabilized.
The impairment rating becomes an important part of calculating permanent disability benefits under California workers’ compensation law.
When an Impairment Rating Is Assigned
An impairment rating is typically assigned when a doctor determines that the injured worker has reached maximum medical improvement. This means the worker’s condition has improved as much as expected and further treatment is unlikely to significantly change the outcome.
At this stage, the physician evaluates whether the worker has any lasting limitations caused by the injury.
Who Determines the Impairment Rating
The impairment rating is usually determined by a physician involved in the case. This may include:
- The treating physician
- A Qualified Medical Evaluator (QME)
- An Agreed Medical Evaluator (AME) selected by both parties
The doctor evaluates the medical condition and assigns an impairment percentage based on established medical guidelines.
How Impairment Is Measured
In California workers’ compensation cases, impairment is measured using guidelines from the American Medical Association’s Guides to the Evaluation of Permanent Impairment. These guidelines provide standardized methods for evaluating the effects of injuries on different parts of the body.
The physician may consider factors such as:
- Loss of motion or strength
- Chronic pain or neurological symptoms
- Surgical outcomes or structural damage
- Functional limitations affecting daily activities
The doctor’s report explains how the impairment rating was calculated and how the injury affects the worker’s physical abilities.
How Impairment Ratings Affect Disability Benefits
The impairment rating itself does not determine the final amount of benefits. Instead, it is used as a starting point for calculating the permanent disability rating.
Other factors are applied to the impairment percentage, including the worker’s age, occupation, and any apportionment to non-work-related conditions. These adjustments are made under the Permanent Disability Rating Schedule.
The final disability rating determines the amount and duration of permanent disability payments.
Disputes Over Impairment Ratings
In some cases, the parties may disagree about the impairment rating assigned by a physician. Disputes can arise if medical reports are incomplete, inconsistent, or interpreted differently.
When disagreements occur, the case may involve additional medical evaluations or review by a disability rater within the Disability Evaluation Unit. A workers’ compensation judge may ultimately resolve the issue if the dispute continues.
Get Help Understanding Impairment Ratings
Impairment ratings play a significant role in determining the outcome of a workers’ compensation claim. Understanding how these ratings are calculated can help injured workers better evaluate their benefits and legal options.
The Law Offices of Norman J. Homen assists injured workers throughout California with workers’ compensation claims, medical evaluations, and disputes involving permanent disability. Contact us today for a free consultation.
Norman J. Homen
Norman Homen is a California attorney with over 30 years of experience representing clients in workers’ compensation and Social Security disability matters.
Recent Posts
Testimonials
Norman J. Homen and Moises Aguirre are very professional. They helped win my case. They communicated very well with me and were very helpful to me. I would recommend this team for your case.
—Joe Prada
We had a good experience with this office . They worked with us and kept us informed with what we needed to know and how process works . My husband had been trying to get approved since 2021 on our own but kept getting denied . Very thankful to this team he finally got awarded!
—Lupe
I am grateful for all of the great people at Law Offices of Norman J. Homen. They won my case and I definitely recommend them. I am Spanish speaking so with the help of Moises Aguirre, I was able to communicate clearly during the whole appeal process and answered any questions I had. Thank you!
—Graciela Villeda
