Which of the following are true about allergy documentation in Epic? (Choose all that apply.)
A) "Unknown" in the patient header means allergy documentation has been done previously but not for today's visit.
B) "Unknown" in the patient header means there has never been allergy documentation entered in this patient's chart.
C) "No known allergies" means it is documented that the patient is not aware of any allergies.
D) "No known allergies" means allergies are listed but the patient denies having them.