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WAC 296-20-2015

Agency filings affecting this section

What rating systems are used for determining an impairment rating conducted by the attending doctor or a consultant?

The following table provides guidance regarding the rating systems generally used. These rating systems or others adopted through department policies should be used to conduct an impairment rating.
Overview of Systems for Rating Impairment
Rating System
Used for These Conditions
Form of the Rating
Specified disabilities: Loss by amputation, total loss of vision or hearing
Supply the level of amputation
AMA Guides to the Evaluation of Permanent Impairment
Loss of function of extremities, partial loss of vision or hearing
Determine the percentage of loss of function, as compared to amputation value listed in RCW 51.32.080
Category Rating System
Spine, neurologic system, mental health, respiratory, taste and smell, speech, skin, or disorders affecting other internal organs
Select the category that most accurately indicates overall impairment
Total Bodily Impairment (TBI)
Impairments not addressed by any of the rating systems above, and claims prior to 1971
Supply the percentage of TBI
[Statutory Authority: RCW 51.32.055, 51.32.112, 51.32.114, 51.36.060, and 51.36.070. WSR 04-04-029, ยง 296-20-2015, filed 1/27/04, effective 3/1/04.]