When true, the resource implies that the adverse event did NOT occur during the stated time period. If true, the severity should not be specified, and the certainty value will be ignored.
Validate
API
Project FHIR API
The project FHIR API endpoint is not yet available for DSTU2 FHIR version.
Simplifier FHIR API
The global FHIR API endpoint is not yet available for DSTU2 FHIR version.
