C.R.S. § 38-27.5-107

A person or entity against whom the injured person asserts a civil action or claim that includes a request for damages related to health-care services or treatment provided under a health-care provider lien does not have standing to challenge a health-care provider’s or its assignee’s compliance with this article 27.5, whether in the civil action or claim asserted by the injured person or in a separate civil action.