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Unified Medical Language System® (UMLS®)

Statistics - 2013AB Release

Official Counts:
Release version:    2013AB
Release format:    RRF
Concepts:    2,930,638
Number of concept names (AUIs):    11,399,740
Number of distinct concept names (SUIs):    9,487,373
Number of distinct normalized concept names (LUIs):    8,472,223
Number of sources (distinct source families by language):    139
Number of sources contributing concept names:    168
Number of languages contributing concept names:    21

Name Count by Language:

LanguageName Count% of Metathesaurus
ENG 8547943 74.98%
SPA 1146804 10.06%
JPN 256209 2.25%
DUT 223869 1.96%
FRE 208617 1.83%
GER 192024 1.68%
POR 163513 1.43%
CZE 145019 1.27%
ITA 144377 1.27%
RUS 110932 0.97%
HUN 94410 0.83%
POL 45244 0.4%
NOR 44455 0.39%
SWE 26311 0.23%
FIN 25489 0.22%
KOR 11771 0.1%
SCR 9448 0.08%
LAV 1405 0.01%
DAN 723 0.01%
BAQ 695 0.01%
HEB 485 0%

 

Name Count by Source Restriction Level (SRL):

SRLSource Count% of Sources
0 5100230 44.74%
1 121751 1.07%
2 22156 0.19%
3 3580850 31.41%
4 179088 1.57%
9 2395668 21.02%
0+4 5279318 46.31%

 

Count of Atoms by Suppressibility:

Suppressibility StatusName Count% of Metathesaurus
Y 461541 4.05%
N 9373362 82.22%
O 1535974 13.47%
E 28866 0.25%

 

Source Counts by Language (from MRSAB):

LanguageName count% of Metathesaurus
ENG 116 68.24%
GER 6 3.53%
SPA 6 3.53%
DUT 6 3.53%
FRE 5 2.94%
ITA 4 2.35%
POR 4 2.35%
JPN 2 1.18%
* 2 1.18%
SWE 2 1.18%
CZE 2 1.18%
NOR 2 1.18%
FIN 2 1.18%
KOR 2 1.18%
HUN 2 1.18%
LAV 1 0.59%
RUS 1 0.59%
HEB 1 0.59%
DAN 1 0.59%
BAQ 1 0.59%
SCR 1 0.59%
POL 1 0.59%

*Note: 2 sources contribute relationships which have no associated language values.