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Profiling and Validation
How FHIR profiles constrain base resources for specific use cases — and how validation enforces those constraints.
What is a Profile
StructureDefinition, differential vs snapshot, cardinality constraints, mustSupport, slicing, and real-world profiles (IPS, US Core, EHDS).
StructureDefinitiondifferentialslicingmustSupport
Validation
Types of FHIR validation: structural, cardinality, terminology, profile. OperationOutcome severity levels. The $validate operation.
OperationOutcome$validateerrorwarning
HL7 v2, CDA, and FHIR
Three generations of healthcare data standards. What each solved, where each is still used, and why FHIR became the dominant modern standard.
HL7 v2CDAFHIR R4interoperability
What is Conformance?
CapabilityStatement, conformance resources, the difference between conformance/validation/compliance, and governance resources (Consent, AuditEvent, Provenance).
CapabilityStatementConsentAuditEventProvenance