Examinations for the medical determination of the extent of permanent bodily impairment shall be made ONLY BY PHYSICIANS currently licensed to practice medicine and surgery.
(Italics ours.) WAC 296-20-210(1)(a). "Physician", in turn, is defined by the rules as a "person licensed to perform one or more of the following professions: Medicine and surgery; or osteopathic." WAC 296-20-01002. Doctors of chiropractic come within the definitions of "doctor" and "practitioner" under the rules, but not within that of "physician". WAC 296-20-01002. The ratings are discussed at WAC 296-20-190 through WAC 296-20-690.