Section 22:2434 - Request for external reviewA.(1) Except for a request for an expedited external review, all requests for external review shall be made in writing to the health insurance issuer.(2) The commissioner may prescribe by regulation the form and content of external review requests required to be submitted pursuant to this Section.B. A covered person or his authorized representative may make a request for an external review of an adverse determination or final adverse determination when such determination involves an issue of medical necessity, appropriateness, health care setting, level of care, effectiveness, or a rescission. Acts 2013, No. 326, §1, eff. Jan. 1, 2015. Acts 2013, No. 326, §1, eff. 1/1/2015.