A comprehensive set of radiology terms for use in radiology reporting, decision support, data mining, data registries, education and research.

RadLex provides the foundation for vital data resources used in radiology:

  • The LOINC/RSNA Radiology Playbook
  • RadElement Common Data Elements -RadReport Radiology Reporting Templates

The development of RadLex has been supported by the National Institute of Biomedical Imaging and Bioengineering (NIBIB) and the cancer Biomedical Informatics Grid (caBIG) project.

anatomy biomedical science clinical studies diagnosis medical imaging medical informatics ontology radiology
Homepage OWL
Radiological Society of North America
Pattern for Local Unique Identifiers

Local identifiers in RSNA Informatics RadLex should match this regular expression:

Example Local Unique Identifier
RID1   Resolve
Pattern for CURIES

Compact URIs (CURIEs) constructed from RSNA Informatics RadLex should match this regular expression:

Example CURIE

A summary of the relations in the Bioregistry schema can be found here.

In Collection
FHIR External Terminologies
Metaregistry RSNA Informatics RadLex

The metaregistry provides mappings between the Bioregistry and other registries. There are 4 mappings to external registries for this resource with 3 unique external prefixes.

Registry Name Registry Metaprefix External Prefix Curate
AberOWL AberOWL logo aberowl RADLEX
BioPortal BioPortal Prefixes logo bioportal RADLEX
FAIRSharing FAIRSharing logo fairsharing FAIRsharing.shm2f2
HL7 HL7 External Code Systems logo hl7 2.16.840.1.113883.6.256

A provider turns a local unique identifiers from a resource into a URI. Many providers are also resolvable as URLs (i.e., they can be used in a web browser).

The local unique identifier RID1 is used to demonstrate the providers available for RSNA Informatics RadLex. A guide for curating additional providers can be found here.

Name Metaprefix URI
RSNA Informatics RadLex radlex https://radlex.org/RID/RID1
Bioregistry bioregistry https://bioregistry.io/radlex:RID1