COVID-19 Stats: COVID-19* and Influenza† Discharge Diagnoses as a Percentage of Emergency Department (ED) Visits, by Year — United States, June 2018–March 2021

    COVID-19 visits were identified using International Classification of Diseases, Tenth Revision, Clinical Modification (ICD-10-CM) and SNOMED Clinical Terms (SNOMED CT) diagnosis codes. ICD-10-CM codes included U07.1, COVID-19 and J12.82 (pneumonia due to coronavirus disease 2019). SNOMED CT codes included 840539006 (disease caused by SARS-CoV-2 [disorder]), 840544004 (suspected disease caused by […]

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