The Program shall reimburse for the services specified in Regulations .14—.21 of this chapter, if provided in accordance with the requirements of this chapter and if the service: Is recommended on the participant’s plan of service as necessary in order to: Prevent the applicant’s or participant’s admission to an institution; Safely transition the applicant or participant from an institution, such as a nursing facility, into the community; or Assure the health and safety of an applicant or participant in the community; Has been preauthorized by the Department in the participant’s plan of service; Is provided to an enrolled participant; Is medically necessary; and Is provided by a Medicaid provider who meets the conditions for participation under this chapter.