# Online Mendelian Inheritance in Man (OMIM)

> Online Mendelian Inheritance in Man, OMIM (TM). McKusick-Nathans Institute for Genetic Medicine,...

- Page: https://library.schematica.io/model/aab7dd88ffd44f3592be1bb61bacdbdd
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Huge
- Formats: UMLS
- Domains: Healthcare
- External link: https://bioportal.bioontology.org/ontologies/OMIM
- Contact: NLM Customer Service (custserv@nlm.nih.gov)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | OMIM |
| 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 |
| Format | UMLS |
| Categories | Health |
| Groups | Unified Medical Language System |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 109,070 |
| Individuals | 0 |
| Properties | 16 |
| Max Depth | 7 |
| Max Child Count | 6,661 |
| Average Child Count | 408 |
| Classes With One Child | 12 |
| Classes With More Than 25 Children | 69 |
| Classes With No Definition | 109,070 |

## Projects using OMIM

- [International Fanconi Anemia Registry](https://bioportal.bioontology.org/projects/IFAR)
- [DisGeNET-RDF](https://bioportal.bioontology.org/projects/DisGeNET-RDF)
- [Linking Open Data for Rare Diseases](https://bioportal.bioontology.org/projects/LORD)

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Source: https://library.schematica.io/model/aab7dd88ffd44f3592be1bb61bacdbdd