After a serious accident, some injuries heal completely while others leave lasting damage. When a doctor determines that an injury will not fully recover, they may assign an impairment rating—a numerical estimate, expressed as a percentage, of how much permanent function a person has lost. This rating is an important piece of evidence in many Georgia personal injury cases because it helps quantify the long-term consequences of an injury.
Impairment ratings are most commonly associated with workers’ compensation claims, but they also play a meaningful role in third-party personal injury cases arising from car wrecks, truck collisions, premises liability incidents, and other negligence claims. A higher impairment rating generally signals more significant and lasting harm, which can increase the value of a claim for damages.
Understanding what an impairment rating is, how it is calculated, and how it influences your case can help you make informed decisions about your recovery and any settlement offers. Because the rating directly affects compensation, it is wise to discuss your situation with an experienced Atlanta personal injury lawyer before accepting any figure as final.
An impairment rating is a medical opinion that quantifies permanent functional loss after an injury has healed as much as it ever will. The rating is usually expressed as a percentage and may apply to a specific body part (such as a 15% impairment of the right arm) or to the body as a whole (such as a 10% whole-person impairment).
The purpose of the rating is to translate complex medical findings into a measurable figure that insurers, attorneys, and courts can use when evaluating the seriousness of an injury. In a Georgia personal injury claim, this number helps demonstrate that the harm you suffered is permanent rather than temporary, which is critical when seeking compensation for future pain, reduced earning capacity, and diminished quality of life.
It is important to understand that an impairment rating measures physical loss of function, not the full scope of your damages. A relatively modest percentage can still accompany substantial pain, ongoing medical treatment, and significant disruption to your daily life.
Physicians in Georgia commonly calculate impairment ratings using the American Medical Association (AMA) Guides to the Evaluation of Permanent Impairment. These guides provide standardized methods for measuring loss of function in different body systems, helping to ensure that ratings are consistent and based on objective medical criteria.
To assign a rating, a doctor evaluates factors such as range of motion, strength, nerve function, pain, and the results of diagnostic tests like MRIs or X-rays. The physician then compares these findings to the standards set out in the AMA Guides and arrives at a percentage that reflects the degree of permanent impairment.
Because the process involves medical judgment, different doctors can reach different conclusions about the same injury. This is one reason ratings are sometimes disputed, and why the credibility and qualifications of the rating physician can matter a great deal in a contested claim.
An impairment rating is only assigned after a patient reaches maximum medical improvement (MMI). MMI is the point at which a doctor concludes that an injury has stabilized and is not expected to improve significantly with further treatment, even though some symptoms may remain.
Reaching MMI does not necessarily mean a person is fully recovered—it means their condition has plateaued. Only at this stage can a physician reliably measure what permanent function, if any, has been lost. Assigning a rating before MMI would be premature because the injury could still improve or worsen.
For accident victims in communities like Sandy Springs, Alpharetta, and Decatur, this timing is important. Settling a claim before reaching MMI risks accepting compensation that does not account for the full extent of permanent harm. A Sandy Springs personal injury lawyer can help you avoid settling too soon.
In a third-party personal injury claim, an impairment rating supports your demand for damages by providing objective evidence that your injury is permanent. Insurers often use the rating as a factor when evaluating settlement value, and a higher percentage typically corresponds to a stronger claim for future damages.
Permanent impairment can justify compensation for future medical care, lost earning capacity, and ongoing pain and suffering. For example, an impairment that limits your ability to lift, stand, or use a limb may reduce the type of work you can perform for the rest of your career, and that lasting limitation has real economic value.
That said, the rating is just one piece of a larger picture. Georgia law allows recovery for the full range of harm caused by another party’s negligence, and an experienced Alpharetta car accident lawyer will present the impairment rating alongside testimony, medical records, and life-care evidence to capture the complete impact of your injuries.
People often confuse impairment ratings with disability ratings, but the two are distinct. An impairment rating measures the loss of physical or mental function from a medical standpoint. A disability rating, by contrast, considers how that impairment affects a person’s ability to work and perform daily activities, factoring in things like age, education, occupation, and skills.
A person with a relatively low impairment rating could face a high level of disability if their injury prevents them from continuing in their specific line of work. Conversely, someone with a higher impairment rating might experience less practical disability if their job does not require the affected function.
Understanding this distinction is important when valuing a claim, because the real-world consequences of an injury—not just the medical percentage—drive the compensation you may be entitled to recover.
Yes. Because impairment ratings involve medical judgment, they are not always accurate or final. If you believe a rating understates the severity of your permanent injury, you may seek an additional evaluation from another qualified physician. A second opinion can reveal that the original examiner overlooked findings, applied the AMA Guides incorrectly, or failed to account for all affected body parts.
Insurance companies sometimes rely on low ratings from doctors of their choosing in an effort to minimize payouts. When the parties disagree, the conflicting medical opinions may ultimately be weighed by a judge or jury. Strong supporting evidence—such as detailed treatment records and credible expert testimony—can make a significant difference.
If you are concerned about a rating assigned in your case, a Dunwoody personal injury lawyer can review the medical findings, identify weaknesses in the opposing evaluation, and help you pursue a fair assessment of your injuries.
An impairment rating can have a lasting effect on the value of your claim, yet many accident victims do not fully understand how the number was reached or how it influences their compensation. Because insurers may use a low rating to pressure you into an early, inadequate settlement, having knowledgeable guidance is essential.
An attorney can ensure the rating is supported by thorough medical documentation, coordinate additional evaluations when appropriate, and present the full scope of your permanent limitations to maximize your recovery. Whether your injuries arose from a collision in Decatur or Savannah, professional advocacy helps protect your right to fair compensation. If you have questions, a Decatur car accident lawyer can review your situation and explain your options.
Often, yes. A higher rating signals more significant permanent injury, which generally supports greater compensation for future medical care, lost earning capacity, and pain and suffering. However, the rating is only one factor, and the full impact of your injuries on your life ultimately determines the value of your claim.
A licensed physician, usually one treating or evaluating your injury, assigns the rating. The doctor typically applies the AMA Guides to the Evaluation of Permanent Impairment to reach an objective percentage based on your medical findings.
You can, but it is usually risky. Settling before reaching maximum medical improvement and obtaining a rating may mean accepting compensation that does not account for the permanent nature of your injury. It is wise to speak with a personal injury lawyer before agreeing to any final settlement.
You can seek a second opinion from another qualified physician. If the ratings conflict, the dispute may be resolved through negotiation, or ultimately weighed by a judge or jury. Detailed medical evidence and credible expert testimony can support a higher, more accurate rating.
No. An impairment rating measures medical loss of function, while disability reflects how that impairment affects your ability to work and carry out daily activities. A person can have a low impairment rating but a high practical disability depending on their job and circumstances.
See how our attorneys fight for personal injury victims.
Our personal injury attorneys have spent 20+ years fighting for accident victims across Georgia. Your consultation is free, and you pay nothing unless we win.