# Systematized Nomenclature of Medicine, International Version

> SNOMED International concepts are organized into 12 axes. The 12 axes are: Chemicals, Drugs...

- Page: https://library.schematica.io/model/ca1de8070f9e47948ee4c47606b5a04a
- Model type: Ontology
- License: Commercial
- Access type: Premium
- Access method: Download
- Model size: Huge
- Formats: UMLS
- Domains: Healthcare
- External link: https://bioportal.bioontology.org/ontologies/SNMI
- Contact: IHTSDO (info@ihtsdo.org)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | SNMI |
| Description | SNOMED International concepts are organized into 12 axes. The 12 axes are:<br><br>Chemicals, Drugs and Biological Products,<br>Diseases/Diagnoses,<br>Function,<br>General Linkage/Modifiers,<br>List of Pharmaceutical Companies,<br>Living Organisms,<br>Morphology,<br>Occupations,<br>Physical Agents, Forces, and Activities,<br>Procedures,<br>Social Context, and<br>Topography.<br><br>SNOMED International has been superseded by the Systematized Nomenclature of Medicine – Reference Terminology (SNOMED RT®). SNOMED RT has been merged with Clinical Terms Version 3 (CTV3), also known as Read Codes, resulting in the creation of SNOMED Clinical Terms (SNOMED CT®). For more information about SNOMED CT in the Metathesaurus, see the SNOMED CT source synopsis.<br><br>Cote, Roger A., editor. Systematized Nomenclature of Human and Veterinary Medicine: SNOMED International. Northfield (IL): College of American Pathologists; Schaumburg (IL): American Veterinary Medical Association, Version 3.5, 1998. |
| Format | UMLS |
| Categories |  |
| Groups | Unified Medical Language System |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 109,150 |
| Individuals | 0 |
| Properties | 9 |
| Max Depth | 10 |
| Max Child Count | 3,334 |
| Average Child Count | 23 |
| Classes With One Child | 327 |
| Classes With More Than 25 Children | 1,142 |
| Classes With No Definition | 109,150 |

## Projects using SNMI

No projects using SNMI

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Source: https://library.schematica.io/model/ca1de8070f9e47948ee4c47606b5a04a
