C.R.S. § 13-21-1405

(1) In an action under this part 14: (a) A plaintiff may proceed using a pseudonym in place of the true name of the plaintiff; (b) The court may exclude or redact from all pleadings and documents filed in the action other identifying characteristics of the plaintiff; (c) A plaintiff to whom subsection (1)(a) or (1)(b) of this section applies shall file with the court and serve on the defendant a confidential information form that includes the excluded or redacted plaintiff’s name and other identifying characteristics; and (d) The court may make further orders as necessary to protect the identity and privacy of a plaintiff.