ImmunizationEvaluation resource (FHIR R4)

ImmunizationEvaluation is the FHIR R4 resource for describes a comparison of an immunization event against published recommendations to determine if the administration is "valid" in relation to those recommendations.

Resource	ImmunizationEvaluation
FHIR version	R4 (4.0.1)
Canonical URL	http://hl7.org/fhir/StructureDefinition/ImmunizationEvaluation
Required elements	status (1..1), patient (1..1), targetDisease (1..1), immunizationEvent (1..1), doseStatus (1..1)

Example

{
  "resourceType": "ImmunizationEvaluation",
  "id": "immunizationevaluation-62be262a9bdd24a9c4c6f3ebb5bb6294",
  "status": "completed",
  "patient": {
    "reference": "Patient/patient-5db08354e03be42623f727acc0a2c2b0"
  },
  "targetDisease": {
    "text": "Synthetic value"
  },
  "immunizationEvent": {
    "reference": "Immunization/immunization-e773ebd2df647a022a853f8ea3b675de"
  },
  "doseStatus": {
    "text": "Synthetic value"
  }
}

Generated by the Pidgeon engine: pidgeon generate ImmunizationEvaluation --seed 20260722.

Validation context

strict pidgeon validate grades a ImmunizationEvaluation instance against the base R4 structure definition: missing required elements raise REQUIRED_FIELD_MISSING and cardinality violations raise CARDINALITY_MIN or CARDINALITY_MAX.(REQUIRED_FIELD_MISSING)

This answer, in your terminal

pidgeon lookup ImmunizationEvaluation

Wire it into your AI agent:

claude mcp add pidgeon -- npx -y @pidgeonhealth/mcp

Download Post free to browse this reference with generation attached.