Unified Medical Language System® (UMLS®)
Statistics - 2013AA Release
Official Counts:
Release version: 2013AA
Release format: RRF
Concepts: 2,918,970
Number of concept names (AUIs): 11,424,912
Number of distinct concept names (SUIs): 9,474,722
Number of distinct normalized concept names (LUIs): 8,475,098
Number of sources (distinct source families by language): 137
Number of sources contributing concept names: 173
Number of languages contributing concept names: 21
Name Count by Language:
| Language | Name Count | % of Metathesaurus |
|---|---|---|
| ENG | 8429829 | 73.78% |
| SPA | 1299251 | 11.37% |
| JPN | 254134 | 2.22% |
| DUT | 222882 | 1.95% |
| FRE | 207600 | 1.82% |
| GER | 191007 | 1.67% |
| POR | 162496 | 1.42% |
| CZE | 144002 | 1.26% |
| ITA | 143360 | 1.25% |
| RUS | 110932 | 0.97% |
| HUN | 93393 | 0.82% |
| 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):
| SRL | Source Count | % of Sources |
|---|---|---|
| 0 | 5016996 | 43.91% |
| 1 | 120835 | 1.06% |
| 2 | 22156 | 0.19% |
| 3 | 3545851 | 31.04% |
| 4 | 179646 | 1.57% |
| 9 | 2539428 | 22.23% |
| 0+4 | 5196642 | 45.49% |
Count of Atoms by Suppressibility:
| Suppressibility Status | Name Count | % of Metathesaurus |
|---|---|---|
| Y | 455103 | 3.98% |
| N | 9324735 | 81.62% |
| O | 1613668 | 14.12% |
| E | 31406 | 0.27% |
Source Counts by Language (from MRSAB):
| Language | Name count | % of Metathesaurus |
|---|---|---|
| ENG | 116 | 67.05% |
| GER | 6 | 3.47% |
| DUT | 6 | 3.47% |
| SPA | 6 | 3.47% |
| * | 5 | 2.89% |
| FRE | 5 | 2.89% |
| ITA | 4 | 2.31% |
| POR | 4 | 2.31% |
| JPN | 2 | 1.16% |
| SWE | 2 | 1.16% |
| CZE | 2 | 1.16% |
| NOR | 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: 5 sources contribute relationships which have no associated language values.
