http://hl7.org/fhir/StructureDefinition/BackboneType|5.0.0
BackboneType Type: Base definition for the few data types that are allowed to carry modifier extensions.
| Name | Flags | Card | Type | Description & Constraints |
|---|---|---|---|---|
BackboneType | 0..* | Base for datatypes that can carry modifier extensions | ||
?!Σ | 0..* | Extension | Extensions that cannot be ignored even if unrecognized |