Utah Code § 77-13-1: Kinds of pleas.

(1) There are five kinds of pleas to an indictment or information:

(a) not guilty;

(b) guilty;

(c) no contest;

(d) not guilty by reason of insanity; and

(e) guilty with a mental condition at the time of the offense.

(2) An alternative plea of not guilty or not guilty by reason of insanity may be entered.