marriage and family therapist services
(1) Marriage and family therapist services The term “marriage and family therapist services” means services furnished by a marriage and family therapist (as defined in paragraph (2)) for the diagnosis and treatment of mental illnesses (other than services furnished to an inpatient of a hospital), which the marriage and family therapist is legally authorized to perform under State law (or the State regulatory mechanism provided by State law) of the State in which such services are furnished, as would otherwise be covered if furnished by a physician or as an incident to a physician’s professional service.