Table 1. ICD-10 codes of medical diagnosis used to identify emergency departments visits for suspected COVID-19.

ICD-10 codes	Labels	Date of recommendation by ATIH	Date of implementation in SurSAUD®
B34.2	Coronavirus infection, unspecified site	-	Before February 2020
B97.2	Coronavirus as the cause of diseases classified elsewhere	-	Before February 2020
U04.9	Severe acute respiratory syndrome [SARS], unspecified	-	Before February 2020
U07.1	COVID-19, virus identified	30 January 2020	24 February 2020
U07.10	COVID-19, respiratory symptoms, virus identified	17 March 2020	19 March 2020
U07.11	COVID-19, respiratory presentation, virus not identified	17 March 2020	19 March 2020
U07.12	Asymptomatic or symptomatic pauci-CoV-2 SARS carrier, virus identified	17 March 2020	19 March 2020
U07.14	COVID-19, other clinical presentations, virus identified	10 April 2020	4 May 2020
U07.15	COVID-19, other clinical presentations, virus not identified	10 April 2020	4 May 2020