Colorado Revised Statutes Title 13. Courts and Court Procedure § 13-80-102.5. Limitation of actions--medical or health-care

(a) “Health-care institution” means any hospital, health-care facility, dispensary, clinic, or other institution which is licensed or certified as such under the laws of this state.

(b) “Health-care professional” means any physician, nurse, dentist, chiropractor, pharmacist, optometrist, psychologist, podiatrist, physical therapist, or other health-care practitioner who is licensed to perform such profession under the laws of this state.

(a) If the act or omission which gave rise to the cause of action was knowingly concealed by the person committing such act or omission, in which case the action may be maintained if instituted within two years after the person bringing the action discovered, or in the exercise of reasonable diligence and concern should have discovered, the act or omission;  or

(b) If the act or omission consisted of leaving an unauthorized foreign object in the body of the patient, in which case the action may be maintained if instituted within two years after the person bringing the action discovered, or in the exercise of reasonable diligence and concern should have discovered, the act or omission;  or

(c) If both the physical injury and its cause are not known or could not have been known by the exercise of reasonable diligence;  or

(d) If the action is brought by or on behalf of:

(e) If the claim arises against a health-care provider pursuant to section 13-21-132.