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Online Mendelian Inheritance in Man
Last uploaded:
March 22, 2026
| Acronym | OMIM |
| Visibility | Public |
| Description | Online Mendelian Inheritance in Man, OMIM (TM). McKusick-Nathans Institute for Genetic Medicine, Johns Hopkins University (Baltimore, MD) and National Center for Biotechnology Information, National Library of Medicine |
| Status | Production |
| Format | UMLS |
| Categories | |
| Groups | License Information | This ontology is made available via the UMLS. Users of all UMLS ontologies must abide by the terms of the UMLS license. |
| Alternative name |
OMIM
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|
| Bibliographic reference |
http://www.ncbi.nlm.nih.gov/omim/
http://www.ncbi.nlm.nih.gov/omim/
|
| Contact | Nlm Customer Service ([email protected]) |
| Creation date | November 3, 2025
|
| Deprecated |
false
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|
| Documentation |
http://www.ncbi.nlm.nih.gov/omim/
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|
| Homepage |
http://www.ncbi.nlm.nih.gov/omim/
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|
| Imports |
http://www.w3.org/2004/02/skos/core
http://www.w3.org/2004/02/skos/core
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| Notes |
RDF Version of the UMLS ontology OMIM; converted with the UMLS2RDF tool (https://github.com/ncbo/umls2rdf), developed by the NCBO project.
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| Object creation date property |
http://purl.org/dc/elements/1.1/created
http://purl.org/dc/elements/1.1/created
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| Object modification date property |
http://purl.org/dc/elements/1.1/modified
http://purl.org/dc/elements/1.1/modified
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| Source |
UMLS 2025AB
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| Submission date | March 22, 2026
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| Syntax |
http://www.w3.org/ns/formats/Turtle
http://www.w3.org/ns/formats/Turtle
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| Version information |
2025_08_04
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| uri |
http://purl.bioontology.org/ontology/OMIM/
http://purl.bioontology.org/ontology/OMIM/
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| Version | Released | Uploaded | Downloads |
|---|---|---|---|
| 2025_08_04 (Parsed, Indexed, Metrics, Annotator, Error Diff) | 11/03/2025 | 03/22/2026 | RDF/TTL | CSV |
| 2025aa (Archived) | 05/06/2025 | 03/19/2026 | RDF/TTL |
| OMIM2024_08_09 (Archived) | 11/04/2024 | 01/16/2025 | RDF/TTL |
| 2024AA (Archived) | 05/06/2024 | 08/28/2024 | RDF/TTL |
| 2023AB (Archived) | 11/06/2023 | 01/31/2024 | RDF/TTL |
| 2023AA (Archived) | 04/01/2023 | 08/07/2023 | RDF/TTL |
| 2022AB (Archived) | 11/07/2022 | 01/06/2023 | RDF/TTL |
| 2022AA (Archived) | 05/02/2022 | 06/10/2022 | RDF/TTL |
| 2021AB (Archived) | 11/01/2021 | 11/18/2021 | RDF/TTL |
| 2021AA (Archived) | 04/03/2021 | 05/20/2021 | RDF/TTL |
| 2020AB (Archived) | 11/02/2020 | 01/06/2021 | RDF/TTL |
| 2020AA (Archived) | 05/04/2018 | 09/24/2020 | RDF/TTL |
| 2019AB (Archived) | 11/04/2019 | 11/18/2019 | RDF/TTL |
| 2019AA (Archived) | 05/06/2019 | 08/27/2019 | RDF/TTL |
| 2018AB (Archived) | 11/05/2018 | 04/29/2019 | RDF/TTL |
| 2018AA (Archived) | 05/07/2018 | 07/06/2018 | RDF/TTL |
| 2017AB (Archived) | 11/06/2017 | 07/06/2018 | RDF/TTL |
| 2017AA (Archived) | 05/08/2017 | 04/06/2018 | RDF/TTL |
| 2016AB (Archived) | 02/06/2017 | 02/06/2017 | RDF/TTL |
| 2016AA (Archived) | 09/06/2016 | 09/06/2016 | RDF/TTL |
| 2015AB (Archived) | 07/20/2016 | 07/20/2016 | RDF/TTL |
| 2015AA (Archived) | 06/09/2015 | 06/09/2015 | RDF/TTL |
| 2014AB (Archived) | 01/29/2015 | 01/29/2015 | RDF/TTL |
| 2014AA (Archived) | 05/28/2014 | 05/28/2014 | RDF/TTL |
| 2013AB (Archived) | 02/18/2014 | 02/18/2014 | RDF/TTL |
| 2013AA (Archived) | 01/14/2014 | 01/14/2014 | RDF/TTL |
| 2013AA (Archived) | 05/08/2013 | 09/25/2013 | RDF/TTL |
| 2010_04_08 (Archived) | 04/08/2010 | 04/20/2011 | RDF/TTL |
| 2007_12_19 (Archived) | 12/19/2007 | 07/31/2009 | RDF/TTL |
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No views of OMIM available
| Classes | 111,204 |
| Individuals | 0 |
| Properties | 16 |
| Maximum depth | 7 |
| Maximum number of children | 6,778 |
| Average number of children | 417 |
| Classes with a single child | 12 |
| Classes with more than 25 children | 69 |
| Classes with no definition | 111,204 |