RxNorm Technical Documentation
RxNorm Documentation is updated when significant changes are made to the RxNorm files. Follow the links below to read a specific version of the documentation.
2012 Documentation
06/04/2012 Version 2012-3
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04/02/2012 Version 2012-2
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01/03/2012 Version 2012-1
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2011 Documentation
10/03/2011 Version 2011-5
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07/05/2011 Version 2011-4
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05/02/2011 Version 2011-3
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02/07/2011 Version 2011-2
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01/03/2011 Version 2011-1
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2010 Documentation
09/07/2010 Version 2010-4
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06/07/2010 Version 2010-3
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05/03/2010 Version 2010-2
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01/04/2010 Version 2010-1
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