The following words and terms, when used in this chapter, shall have the following meanings, unless the context clearly indicates otherwise.(1) Carrier's prior choice of health care provider--A health care provider who has examined the claimant in regard to the injury in question as provided in Texas Civil Statutes, Article 8307, §4, because:(A) the board ordered the claimant to be examined by a health care provider of the carrier's choice; or(B) the claimant granted permission for an examination by a carrier's tendered choice of a health care provider.(2) Health care provider--A physician, chiropractor, or podiatrist.(3) 180-day period--The elapse of 180 days after an examination conducted by the carrier's choice of health care provider.