United States National Library of Medicine National Institutes of Health

2009AA FDA National Drug Code Directory Source Information

Counts

 (skip to: notes)

Source Number of shared concepts
out of 17580 from MTHFDA_2008_12_03		 Percentage Overlap
RXNORM_08AB_090202F 13649 77.6
MMSL_2009_01_01 9010 51.3
GS_2009_01_11 7283 41.4
MTHSPL_2009_01_26 4992 28.4
MMX_2009_01_05 4124 23.5
VANDF_2009_01_06 3233 18.4
NDFRT_2008_03_11 3107 17.7
NDDF_2008_12_31 2806 16
SNOMEDCT_2009_01_31 2611 14.9
SCTSPA_2008_10_31 2595 14.8
MDDB_2009_01_07 2424 13.8
RCD99 2000 11.4
SNMI98 260 1.5
MSH2009_2009_02_13 187 1.1

Notes

  • Source overlap provides a high level comparison of content and meaning between the reported source and other sources in the Metathesaurus.
  • The report displays source overlap of 1% or greater.
  • Number of shared concepts: number of concepts that contain at least one atom from each of two compared sources.
  • Percentage Overlap: percentage of shared concepts relative to the total number of concepts for this source.

Last reviewed: 23 April 2009
Last updated: 23 April 2009
First published: 23 April 2009
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