# Health Level Seven Reference Implementation Model, Version 3 (HL7)

> This version is the first update to Normative RIM, Release 3. It is based on changes approved in...

- Page: https://library.schematica.io/model/581a6cb5d8af4968accef2701deb7fb0
- Model type: Ontology
- License: CC0 1.0
- Access type: Free
- Access method: Download
- Model size: Mid
- Formats: UMLS
- Domains: Healthcare
- External link: https://bioportal.bioontology.org/ontologies/HL7
- Contact: Methodology and Modelling Committee (mnm@lists.hl7.org)
- Listed in library: 2025-06-12
- Last updated: 2025-09-10

## Use cases

### Healthcare Message Modeling & Design (Healthcare)

Design and model healthcare information exchange messages using HL7 RIM as the foundational framework to ensure consistent data structures and semantic interoperability across healthcare systems.

### HL7 v3 Implementation & Development (Healthcare)

Implement HL7 v3 standards and develop healthcare applications using the Reference Information Model to create compliant messaging solutions for clinical document architecture and healthcare workflows.

### Clinical Data Standardization (Healthcare)

Standardize clinical data representation and healthcare workflows using HL7 RIM concepts to ensure consistent data modeling approaches across healthcare organizations and systems.

### Healthcare Information Architecture (Healthcare)

Establish enterprise healthcare information architecture using HL7 RIM principles to design scalable, interoperable healthcare data models and system integration patterns.

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | HL7 |
| Description | This version is the first update to Normative RIM, Release 3. It is based on changes approved in Harmonization in November 2010. This release of the RIM is bound to HL7 Abstract Data Types Release 2. |
| Format | UMLS |
| Categories | Health |
| Groups |  |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 9,095 |
| Individuals | 0 |
| Properties | 54 |
| Max Depth | 11 |
| Max Child Count | 808 |
| Average Child Count | 8 |
| Classes With One Child | 268 |
| Classes With More Than 25 Children | 59 |
| Classes With No Definition | 2,275 |

## Projects using HL7

- [Integrative Genomics](https://bioportal.bioontology.org/projects/IG)

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Source: https://library.schematica.io/model/581a6cb5d8af4968accef2701deb7fb0