Section 417.102 - Health benefits plan: Supplemental health services(a) An HMO may provide to its enrollees any health service that is not included as a basic health service under § 417.101(a) . These health services may be limited as to time and cost.(b) An HMO must determine the level and scope of supplemental health services included with basic health services provided to its enrollees for a basic health services payment or those services offered to its enrollees as supplemental health services.45 FR 72528, Oct. 31, 1980, as amended at 47 FR 19339, May 5, 1982. Redesignated at 52 FR 36746, Sept. 30, 1987, as amended at 58 FR 38082, 38083, July 15, 1993