Characteristic COVID-19 appearance | Presence of commonly reported chest imaging findings associated with COVID-19: bilateral patchy or confluent band-like ground glass opacity or consolidation in a peripheral and mid-to-lower lung zone distribution |
Atypical–more suspicious than not for COVID-19 | Presence of some but not all of the characteristic findings |
Atypical–less suspicious for COVID-19 | Findings suggestive of a diagnosis other than COVID-19 infection (eg, pulmonary edema, atelectasis, interstitial changes) |
Negative | No abnormal findings |