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Unified Medical Language System® (UMLS®)

Statistics - 2014AB Release

Official Counts:
Release version:    2014AB
Release format:    RRF
Concepts:    3,091,786
Number of concept names (AUIs):    11,936,143
Number of distinct concept names (SUIs):    9,919,888
Number of distinct normalized concept names (LUIs):    8,864,355
Number of sources (distinct source families by language):    139
Number of sources contributing concept names:    173
Number of languages contributing concept names:    21

Name Count by Language:

LanguageName Count% of Metathesaurus
ENG 9022893 75.59%
SPA 1172005 9.82%
JPN 259878 2.18%
DUT 225621 1.89%
FRE 212332 1.78%
GER 194789 1.63%
POR 165132 1.38%
ITA 151215 1.27%
CZE 149337 1.25%
RUS 112655 0.94%
HUN 96230 0.81%
NOR 52370 0.44%
POL 45244 0.38%
SWE 26311 0.22%
FIN 25489 0.21%
KOR 11771 0.1%
SCR 9563 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 5407567 45.3%
1 126011 1.06%
2 22156 0.19%
3 3670979 30.76%
4 176616 1.48%
9 2532814 21.22%
0+4 5584183 46.78%

 

Count of Atoms by Suppressibility:

Suppressibility StatusName Count% of Metathesaurus
Y 489009 4.1%
N 9805848 82.15%
O 1612946 13.51%
E 28340 0.24%

 

Source Counts by Language (from MRSAB):

LanguageName count% of Metathesaurus
ENG 123 71.1%
GER 6 3.47%
SPA 6 3.47%
DUT 6 3.47%
FRE 5 2.89%
ITA 4 2.31%
POR 4 2.31%
JPN 2 1.16%
* 2 1.16%
SWE 2 1.16%
NOR 2 1.16%
CZE 2 1.16%
FIN 2 1.16%
KOR 2 1.16%
HUN 2 1.16%
LAV 1 0.58%
RUS 1 0.58%
HEB 1 0.58%
DAN 1 0.58%
BAQ 1 0.58%
SCR 1 0.58%
POL 1 0.58%

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