Skip to main content
Platform
Overview
Architecture
AI agents & MCP
SQL on FHIR analytics
Identity & access control
Conformance
Docs
Pricing
Resources
FHIR R4 reference
REST API
SDKs
Blog
Contact
Search
Log in
Book a demo
Start for free
One doc tagged with "Extension"
View all tags
Extension
Extension (FHIR R4 data type): Optional Extension Element - found in all resources.