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Read Codes, Clinical Terms Version 3 (CTV3)
Last uploaded:
August 28, 2024
| Acronym | RCD |
| Visibility | Public |
| Description | Clinical Terms Version 3 (CTV3) (Read Codes) (Q199): National Health Service National Coding and Classification Centre |
| Status | Production |
| Format | UMLS |
| Contact | NHS Information Authority Loughborough, helpdesk3@nhsccc.exec.nhs.uk |
| Groups | Unified Medical Language System | License Information | This ontology is made available via the UMLS. Users of all UMLS ontologies must abide by the terms of the UMLS license. |
| Version | Released | Uploaded |
|---|---|---|
| 2024AA (Parsed, Indexed, Metrics, Annotator, Error Diff) | 05/06/2024 | 08/28/2024 |
| 2023AB (Archived) | 11/06/2023 | 01/31/2024 |
| 2023AA (Archived) | 04/01/2023 | 08/07/2023 |
| 2022AB (Archived) | 11/07/2022 | 01/06/2023 |
| 2022AA (Archived) | 05/02/2022 | 06/10/2022 |
| 2021AB (Archived) | 11/01/2021 | 11/18/2021 |
| 2021AA (Archived) | 04/03/2021 | 05/20/2021 |
| 2020AB (Archived) | 11/02/2020 | 01/06/2021 |
| 2020AA (Archived) | 05/04/2018 | 09/24/2020 |
| 2019AB (Archived) | 11/04/2019 | 11/18/2019 |
| 2019AA (Archived) | 05/06/2019 | 08/27/2019 |
| 2018AB (Archived) | 11/05/2018 | 04/29/2019 |
| 2018AA (Archived) | 05/07/2018 | 07/06/2018 |
| 2017AB (Archived) | 11/06/2017 | 07/06/2018 |
| 2017AA (Archived) | 05/08/2017 | 04/06/2018 |
| 2016AB (Archived) | 02/06/2017 | 02/06/2017 |
| 2016AA (Archived) | 09/06/2016 | 09/06/2016 |
| 2015AB (Archived) | 07/20/2016 | 07/20/2016 |
| 2015AA (Archived) | 06/09/2015 | 06/09/2015 |
| 2014AB (Archived) | 01/29/2015 | 01/29/2015 |
| 2014AA (Archived) | 05/28/2014 | 05/28/2014 |
| 2013AB (Archived) | 02/18/2014 | 02/18/2014 |
| 2013AA (Archived) | 01/14/2014 | 01/14/2014 |
| 2013AA (Archived) | 05/08/2013 | 09/25/2013 |
| more... | ||
No views of RCD available
| Classes | 140,065 |
| Individuals | 0 |
| Properties | 2 |
| Maximum depth | 18 |
| Maximum number of children | 162 |
| Average number of children | 3 |
| Classes with a single child | 10,667 |
| Classes with more than 25 children | 370 |
| Classes with no definition | 140,065 |