Aetna FHIR R4 Immunization

{
 "$schema": "https://json-schema.org/draft/2020-12/schema",
 "$id": "https://raw.githubusercontent.com/api-evangelist/aetna/refs/heads/main/json-schema/aetna-immunization.json",
 "title": "Aetna FHIR R4 Immunization",
 "description": "JSON Schema for the FHIR R4 Immunization resource as Aetna profiles it. Derived mechanically from the components.schemas of openapi/aetna-patient-access-api-openapi.yml, which is assembled from the Swagger 2.0 documents Aetna publishes at https://developerportal.aetna.com/managedcontent/yaml/. Not authored - every constraint here is Aetna's. $refs rewritten from #/components/schemas/ to #/$defs/.",
 "x-provenance": {
  "generated": "2026-08-30",
  "method": "derived",
  "source": "openapi/aetna-patient-access-api-openapi.yml"
 },
 "allOf": [
  {
   "$ref": "#/$defs/DomainResource"
  },
  {
   "type": "object",
   "required": [
    "patient",
    "status",
    "vaccineCode"
   ],
   "properties": {
    "primarySource": {
     "description": "An indication that the content of the record is based on information from the person who administered the vaccine. This reflects the context under which the data was originally recorded.",
     "type": "boolean"
    },
    "note": {
     "description": "Extra information about the immunization that is not conveyed by the other attributes.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Annotation"
     }
    },
    "education": {
     "description": "Educational material presented to the patient (or guardian) at the time of vaccine administration.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Immunization_Education"
     }
    },
    "doseQuantity": {
     "description": "The quantity of vaccine product that was administered.",
     "$ref": "#/$defs/SimpleQuantity"
    },
    "reasonReference": {
     "description": "Condition, Observation or DiagnosticReport that supports why the immunization was administered.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Reference"
     }
    },
    "manufacturer": {
     "description": "Name of vaccine manufacturer.",
     "$ref": "#/$defs/Reference"
    },
    "programEligibility": {
     "description": "Indicates a patient's eligibility for a funding program.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/CodeableConcept"
     }
    },
    "statusReason": {
     "description": "Indicates the reason the immunization event was not performed.",
     "$ref": "#/$defs/CodeableConcept"
    },
    "isSubpotent": {
     "description": "Indication if a dose is considered to be subpotent. By default, a dose should be considered to be potent.",
     "type": "boolean"
    },
    "patient": {
     "description": "The patient who either received or did not receive the immunization.",
     "$ref": "#/$defs/Reference"
    },
    "reasonCode": {
     "description": "Reasons why the vaccine was administered.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/CodeableConcept"
     }
    },
    "vaccineCode": {
     "description": "Vaccine that was administered or was to be administered.",
     "$ref": "#/$defs/CodeableConcept"
    },
    "expirationDate": {
     "pattern": "([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1]))?)?",
     "description": "Date vaccine batch expires.",
     "type": "string"
    },
    "identifier": {
     "description": "A unique identifier assigned to this immunization record.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Identifier"
     }
    },
    "performer": {
     "description": "Indicates who performed the immunization event.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Immunization_Performer"
     }
    },
    "reaction": {
     "description": "Categorical data indicating that an adverse event is associated in time to an immunization.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Immunization_Reaction"
     }
    },
    "subpotentReason": {
     "description": "Reason why a dose is considered to be subpotent.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/CodeableConcept"
     }
    },
    "encounter": {
     "description": "The visit or admission or other contact between patient and health care provider the immunization was performed as part of.",
     "$ref": "#/$defs/Reference"
    },
    "lotNumber": {
     "pattern": "[ \\r\\n\\t\\S]+",
     "description": "Lot number of the vaccine product.",
     "type": "string"
    },
    "recorded": {
     "pattern": "([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1])(T([01][0-9]|2[0-3]):[0-5][0-9]:([0-5][0-9]|60)(\\.[0-9]+)?(Z|(\\+|-)((0[0-9]|1[0-3]):[0-5][0-9]|14:00)))?)?)?",
     "description": "The date the occurrence of the immunization was first captured in the record - potentially significantly after the occurrence of the event.",
     "type": "string"
    },
    "site": {
     "description": "Body site where vaccine was administered.",
     "$ref": "#/$defs/CodeableConcept"
    },
    "route": {
     "description": "The path by which the vaccine product is taken into the body.",
     "$ref": "#/$defs/CodeableConcept"
    },
    "protocolApplied": {
     "description": "The protocol (set of recommendations) being followed by the provider who administered the dose.",
     "type": "array",
     "items": {
      "$ref": "#/$defs/Immunization_ProtocolApplied"
     }
    },
    "reportOrigin": {
     "description": "The source of the data when the report of the immunization event is not based on information from the person who administered the vaccine.",
     "$ref": "#/$defs/CodeableConcept"
    },
    "occurrenceDateTime": {
     "pattern": "([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1])(T([01][0-9]|2[0-3]):[0-5][0-9]:([0-5][0-9]|60)(\\.[0-9]+)?(Z|(\\+|-)((0[0-9]|1[0-3]):[0-5][0-9]|14:00)))?)?)?",
     "description": "Date vaccine administered or was to be administered.",
     "type": "string"
    },
    "occurrenceString": {
     "pattern": "[ \\r\\n\\t\\S]+",
     "description": "Date vaccine administered or was to be administered.",
     "type": "string"
    },
    "location": {
     "description": "The service delivery location where the vaccine administration occurred.",
     "$ref": "#/$defs/Reference"
    },
    "fundingSource": {
     "description": "Indicates the source of the vaccine actually administered. This may be different than the patient eligibility (e.g. the patient may be eligible for a publically purchased vaccine but due to inventory issues, vaccine purchased with private funds was actually administered).",
     "$ref": "#/$defs/CodeableConcept"
    },
    "status": {
     "description": "Indicates the current status of the immunization event.",
     "type": "string",
     "enum": [
      "completed",
      "entered-in-error",
      "not-done"
     ]
    }
   }
  }
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      },
      "valueUuid": {
       "pattern": "urn:uuid:[0-9a-f]{8}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{4}-[0-9a-f]{12}",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueCodeableConcept": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/CodeableConcept"
      },
      "valueRatio": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Ratio"
      },
      "valueMarkdown": {
       "pattern": "[ \\r\\n\\t\\S]+",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueAttachment": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Attachment"
      },
      "valueUsageContext": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/UsageContext"
      },
      "valueDateTime": {
       "pattern": "([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1])(T([01][0-9]|2[0-3]):[0-5][0-9]:([0-5][0-9]|60)(\\.[0-9]+)?(Z|(\\+|-)((0[0-9]|1[0-3]):[0-5][0-9]|14:00)))?)?)?",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueInteger": {
       "format": "int32",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "integer"
      },
      "valueUnsignedInt": {
       "format": "int32",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "integer"
      },
      "valueHumanName": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/HumanName"
      },
      "valueQuantity": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Quantity"
      },
      "valueRelatedArtifact": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/RelatedArtifact"
      },
      "valueCanonical": {
       "pattern": "\\S*",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueCount": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Count"
      },
      "valueId": {
       "pattern": "[A-Za-z0-9\\-\\.]{1,64}",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueDecimal": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "number"
      },
      "valueCode": {
       "pattern": "[^\\s]+(\\s[^\\s]+)*",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueDate": {
       "pattern": "([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)(-(0[1-9]|1[0-2])(-(0[1-9]|[1-2][0-9]|3[0-1]))?)?",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valueOid": {
       "pattern": "urn:oid:[0-2](\\.(0|[1-9][0-9]*))+",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "url": {
       "pattern": "\\S*",
       "description": "Source of the definition for the extension code - a logical name or a URL.",
       "type": "string"
      },
      "valueAddress": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Address"
      },
      "valueContactPoint": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/ContactPoint"
      },
      "valueString": {
       "pattern": "[ \\r\\n\\t\\S]+",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valuePeriod": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Period"
      },
      "valueSampledData": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/SampledData"
      },
      "valueTiming": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Timing"
      },
      "valueInstant": {
       "pattern": "([0-9]([0-9]([0-9][1-9]|[1-9]0)|[1-9]00)|[1-9]000)-(0[1-9]|1[0-2])-(0[1-9]|[1-2][0-9]|3[0-1])T([01][0-9]|2[0-3]):[0-5][0-9]:([0-5][0-9]|60)(\\.[0-9]+)?(Z|(\\+|-)((0[0-9]|1[0-3]):[0-5][0-9]|14:00))",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "string"
      },
      "valuePositiveInt": {
       "format": "int32",
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "type": "integer"
      },
      "valueDuration": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Duration"
      },
      "valueAge": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Age"
      },
      "valueAnnotation": {
       "description": "Value of extension - must be one of a constrained set of the data types (see [Extensibility](extensibility.html) for a list).",
       "$ref": "#/$defs/Annotation"
      }
     }
    }
   ]
  },
  "HumanName": {
   "allOf": [
    {
     "$ref": "#/$defs/Element"
    },
    {
     "type": "object",
     "properties": {
      "given": {
       "description": "Given name.",
       "type": "array",
       "items": {
        "pattern": "[ \\r\\n\\t\\S]+",
        "type": "string"
       }
      },
      "period": {
       "description": "Indicates the period of time when this name was valid for the named person.",
       "$ref": "#/$defs/Period"
      },
      "use": {
       "description": "Identifies the purpose for this name.",
       "type": "string",
       "enum": [
        "usual",
        "offic

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