Ohio Rev. Code Ann. § 4761.10
(B) Notwithstanding the provisions of division (A) of this section, all of the following apply:
(3) A polysomnographic technologist credentialed by an organization the state medical board recognizes, a trainee under the direct supervision of a polysomnographic technologist credentialed by an organization the board recognizes, or a person the board recognizes as being eligible to be credentialed as a polysomnographic technologist may perform the respiratory care tasks specified in rules adopted under section 4761.03 of the Revised Code, as long as both of the following apply: