Abstract
This article provides assistance with using the International Classification of Diseases (ICD) with the Health Outcomes and Information Statistical Toolkit (HOIST), which is a collection of databases (data warehouse) maintained by the Epidemiology and Surveillance Branch of the NSW Department of Health. The article is for readers who have access to HOIST or who want to learn how to use HOIST. Please note that HOIST is only available to staff of the NSW public health system.
