I have a patient that was seen via telemedicine by a provider to discuss if they met the criteria to receive the monoclonal antibody injection - Regen Covid. The patient lives with his wife and daughter who both have COVID-19 so he was exposed to the disease. I know I need to use dx code Z20.822 but this isn't a primary dx code. The visit note states the patient has no symptoms at this time and has not tested positive for COVID-19. I'm unsure if there is a dx code I can use based off the encounter note from the physician. Any advice would be appreciated.