# International Classification of Diseases for Oncology, 3rd edition (ICD-O-3)

> Ontology used for oncology research derived from the European Cancer Information System (ECIS)

- Page: https://library.schematica.io/model/d823b655349846cf8f5e7d848630d624
- Model type: Ontology
- License: CC BY 4.0
- Access type: Free
- Access method: Download
- Model size: Mid
- Formats: OWL
- External link: https://bioportal.bioontology.org/ontologies/ICD-O-3
- Contact: Nicholas Nicholson (nicholas.nicholson@ec.europa.eu)
- Listed in library: 2025-06-12
- Last updated: 2024-03-22

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | ICD-O-3 |
| Description | Ontology used for oncology research derived from the European Cancer Information System (ECIS) |
| Format | OWL |
| Categories | Health, Biomedical Resources, Human, Dysfunction |
| Groups |  |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 2,753 |
| Individuals | 0 |
| Properties | 10 |
| Max Depth | 8 |
| Max Child Count | 40 |
| Average Child Count | 2 |
| Classes With One Child | 671 |
| Classes With More Than 25 Children | 2 |
| Classes With No Definition | 2,676 |

## Projects using ICD-O-3

No projects using ICD-O-3

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Source: https://library.schematica.io/model/d823b655349846cf8f5e7d848630d624