04/06/2009

RxNorm Vocabulary

April Release
Table of Contents

Section 1: Introduction

Section 2: Scope of RxNorm

Section 3: Preservation of Content and Meaning

Section 4: Ambiguity in RxNorm Source Data

Section 5: Drug Delivery Devices

Section 6: Normalizing NDC codes

6.1     Examples of NDC code normalizations

6.2     Examples of RXNSAT.RRF entries

Section 7: Propagating NDC codes in RxNorm

Section 8: UNII codes in RxNorm

Section 9: Duplicating Source Asserted Atoms

Section 10: Drug Dose Forms and the Modified Format

10.1     Deprecating Syrup and Elixir Dose Forms

Section 11: Release Types and Explanation

11.1     Release Counts

11.2     Character Encoding

11.3     RxNorm Release File Format

11.4     RxNorm Conventions

11.5     Uses of Concept and Atom Identifiers

11.6     Concepts and Concept Identifiers

Section 12: Data Files - RxNorm Rich Release Format (RXNRRF)

12.1    Columns and Rows

12.2    Descriptions of Each File

12.3    RXNDOC.RRF

12.4    RXNCONSO.RRF

12.5    RXNSAT.RRF

12.6    RXNSTY.RRF

12.7    RXNREL.RRF

12.8    RXNSAB.RRF

12.9    RXNCUI.RRF

12.10    RXNATOMARCHIVE.RRF

12.11    RXNCUICHANGES.RRF

Section 13: Database Creation Automation

13.1    Oracle database

13.2    MySQL database

Appendix 1: RxNorm Relationship Mappings

Appendix 2: RxNorm Dose Forms with Definitions

Last reviewed: 03 April 2009
Last updated: 03 April 2009
First published: 06 April 2009
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