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What Is Permanent Impairment?

Permanent Impairment is used in personal injury claims to describe the permanent impact an injury has on a person's functioning. read our guide for more or chat with a  Lawyer, it's free!

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What is permanent impairment?

When a person suffers injury, the injury can result in long term problems, this is termed "permanent impairment".

Permanent Impairment is used in personal injury claims to describe the permanent impact an injury has on a person's functioning.

How Do the Courts and insurers assess the compensation To Be received?

Lets start with saying that you take take a person's body as being 100% functioning.

A medical specialist appropriate to the area of injury (e.g. Orthopaedic surgeon who assesses muscular and bone injuries), will assess what loss of function to the person's body has been sustained as a result of the injury.

Permanent impairment obviously increases the more serious the injury, and the more the injury impacts on a person's capacity to undertake their activities of daily living.

In fact, in most injury cases, assessment of impairment will include an impairment rating for the actual injury, plus a possible uplift for interference with activities of daily living of up to 3%.


Pain is also an uplifting factor when impairment is being assessed 

An assessor can also uplift the impairment assessment for the injury because of chronic pain and its interference with functioning.

Assessments for permanent impairment of an injury are usually undertaken pursuant to the American Medical Assessment Guides 5th Edition (AMA Guides).

Although in work injury cases, the Guide to Evaluation of Permanent Impairment (GEPI) is used.

The GEPI is actually based on the American Medical Association (AMA) Guides, with some minor deviations. 

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