Fig. 1From: Increasing trends of anaphylaxis-related events: an analysis of anaphylaxis using nationwide data in Taiwan, 2001–2013Flow chart showing the identification of patients with anaphylaxis. LHID: Longitudinal Health Insurance Database; OPD: outpatient department; ED: emergency department; ICU: intensive care unit. ICD-9-CM codes for anaphylaxis: 995.0, 995.60–995.69, 999.41–999.42, and 999.49)Back to article page