NHS-wide Clearing Service

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The NWCS was the NHS-wide Clearing Service for NHS England and NHS Wales. It was a method of data exchange between NHS organisations, for non-clinical purposes such as statistical analysis set up in 1996. Previously Hospital Episode Statistics were collected by regional health authorities.{{cite web|title=Hospital Episode Statistics|url=http://www.hscic.gov.uk/hes|website=Health & Social Care Information Service|accessdate=24 March 2015}}

It was operated by McKesson, who supplied the ClearNET IT system and was superseded in 2007 by the Secondary Uses Service (SUS).