24 U.S.C. § 35 : US Code - Section 35: Limitation of medical, surgical or hospital services

      Hospitalization of the dependents of naval and Marine Corps
    personnel and of the persons outside the naval service mentioned in
    section 34 of this title shall be furnished only for acute medical
    and surgical conditions, exclusive of nervous, mental, or
    contagious diseases or those requiring domiciliary care. Routine
    dental care, other than dental prosthesis and orthodontia, may be
    furnished to such persons who are outside the naval service under
    the same conditions as are prescribed in section 34 of this title
    for hospital and dispensary care for such persons.