CO Rev. Stat. §10-16-704(5.5)(b)(II)(A-B)

(II) “Emergency services”, with respect to an emergency medical condition, means:

(A) A medical screening examination that is within the capability of the emergency department of a hospital, including ancillary services routinely available to the emergency department to evaluate the emergency medical condition;  and

(B) Within the capabilities of the staff and facilities available at the hospital, further medical examination and treatment as required to stabilize the patient to assure, within reasonable medical probability, that no material deterioration of the condition is likely to result from or occur during the transfer of the individual from a facility, or with respect to an emergency medical condition.