# Read Codes, Clinical Terms Version 3 (CTV3) (RCD)

> Read Codes contain hundreds of thousands of terms, synonyms, and abbreviations covering all...

- Page: https://library.schematica.io/model/0a8a6f7dde37414c84cfa5b58eaf90b9
- Model type: Ontology
- License: Commercial
- Access type: Enterprise
- Access method: Email Request
- Model size: Small
- Formats: UMLS
- External link: https://bioportal.bioontology.org/ontologies/RCD
- Contact: NHS Information Authority Loughborough (helpdesk3@nhsccc.exec.nhs.uk)
- Listed in library: 2025-06-12
- Last updated: 2024-08-29

## Description

## Ontology Info

| Field | Value |
|-------|-------|
| Acronyme | RCD |
| Description | Read Codes contain hundreds of thousands of terms, synonyms, and abbreviations covering all aspects of patient care including signs and symptoms, treatments and therapies, investigations, occupations, diagnoses, and drugs and appliances.<br><br>Read Codes are now known as Clinical Terms. Clinical Terms Version 3 (CTV3) has been merged with the Systematized Nomenclature of Medicine – Reference Terminology (SNOMED RT®), resulting in the creation of SNOMED – Clinical Terms (SNOMED CT®).  |
| Format | UMLS |
| Categories |  |
| Groups | Unified Medical Language System |

## Metrics

| Metric | Value |
|--------|-------|
| Classes | 0 |
| Individuals | 0 |
| Properties | 0 |
| Max Depth | 0 |
| Max Child Count | 0 |
| Average Child Count | 0 |
| Classes With One Child | 0 |
| Classes With More Than 25 Children | 0 |
| Classes With No Definition | 0 |

## Projects using RCD

- [Nomenclature for Anatomic Pathology](https://bioportal.bioontology.org/projects/NAP)
- [RCD](https://bioportal.bioontology.org/projects/RCD)

---

Source: https://library.schematica.io/model/0a8a6f7dde37414c84cfa5b58eaf90b9