Corona virus disease 2019 (COVID-19) is mainly transmitted by respiratory droplets and close contact. Pulmonary function testing procedures have been associated with an increasing risk of COVID-19 transmission among patients/subjects and medical staffs. Effective prevention and control strategies must be compulsorily implemented to prevent nosocomial infection. This recommendation is intended to be followed by healthcare workers (HCWs) of pulmonary function testing laboratory when COVID-19 is in epidemic. Based on the features of pulmonary function testing, precaution principles and strategies are developed in three aspects of management for HCWs, operating procedure, environment and equipment. Indications of pulmonary function testing should be followed strictly. It is strongly recommended to suspend the test for the confirmed or suspected cases of COVID-19 during the contagious stage, and to postpone the test for other patients if it is not imperative. Medical personnel should mandatorily adhere to the standard stratification of precaution measures. Patients/Subjects should be isolated in a separate area for testing. Disposable in-line filters must be used during pulmonary function testing. Cleaning and disinfection procedures for environment and equipment in pulmonary function testing laboratory should be paid more attention.
Keywords: COVID-19; Infection prevention and protection; Pulmonary function testing.
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