Overview of Systems for Rating Impairment
| Rating System |
Used for These
Conditions |
Form of the
Rating |
| RCW 51.32.080 |
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 |