An allergy to a substance with additional details in notes

{
  "resourceType" : "AllergyIntolerance",
  "id" : "fishallergy",
  "text" : {
    "status" : "additional",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n      <p>allergy is to fresh fish. Tolerates canned fish</p>\n      <p>recordedDate:2015-08-06T00:00:00-06:00</p>\n      <p>substance:Fish - dietary (substance)</p>\n    </div>"
  },
  "identifier" : [{
    "system" : "http://acme.com/ids/patients/risks",
    "value" : "49476535"
  }],
  "clinicalStatus" : {
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/allergyintolerance-clinical",
      "code" : "active",
      "display" : "Active"
    }]
  },
  "verificationStatus" : {
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/allergyintolerance-verification",
      "code" : "confirmed",
      "display" : "Confirmed"
    }]
  },
  "category" : ["food"],
  "code" : {
    "coding" : [{
      "system" : "http://snomed.info/sct",
      "code" : "227037002",
      "display" : "Fish - dietary (substance)"
    }],
    "text" : "Allergic to fresh fish. Tolerates canned fish"
  },
  "patient" : {
    "reference" : "Patient/example"
  },
  "recordedDate" : "2015-08-06T15:37:31-06:00",
  "participant" : [{
    "function" : {
      "coding" : [{
        "system" : "http://terminology.hl7.org/CodeSystem/provenance-participant-type",
        "code" : "author",
        "display" : "Author"
      }]
    },
    "actor" : {
      "reference" : "Practitioner/example"
    }
  }]
}