456.406—Description of UR review function: Who performs UR; disqualification from performing UR.
(b)
UR must be performed using a method specified under § 456.401(b) by a group of professional personnel that includes—
(2)
In an ICF that cares primarily for mental patients, at least one individual knowledgeable in the treatment of mental diseases; and
(3)
In an institution for the mentally retarded, a least one individual knowledgeable in the treatment of mental retardation.