Table 1:
Distribution of SNOMED CT concepts’ status in release 2007-01-31.
| ST | Concept Status | N | % |
|---|---|---|---|
| 0 | active in current use | 281,693 | 75.37% |
| 6 | active with limited clinical value (classification concept or an administrative definition) | 27,200 | 7.28% |
| 1 | inactive: ‘retired’ without a specified reason | 6,832 | 1.83% |
| 10 | inactive because moved elsewhere | 1,091 | 0.29% |
| 2 | inactive: withdrawn because duplication | 40,018 | 10.71% |
| 3 | inactive because no longer recognized as a valid clinical concept (outdated) | 1,199 | 0.32% |
| 4 | inactive because inherently ambiguous. | 14,694 | 3.93% |
| 5 | inactive because found to contain a mistake | 1,004 | 0.27% |
| TOTAL | 373,731 | 100% |