; (ii) a psychiatric hospital (as defined in section 1861(f)); (iii) a hospital outpatient department; (iv) a critical access hospital (as defined in section 1861(mm)(1)); (v) an ambulatory surgical center; (vi) a home health agency (as defined in section 1861(o)); (vii) a rehabilitation agency; (viii) a clinic, including a rural health clinic (as defined in section 1861(aa)(2))