{
  "resourceType": "AllergyIntolerance",
  "id": "example",
  "identifier": [
    {
      "system": "http://acme.com/ids/patients/risks",
      "value": "49476534"
    }
  ],
  "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"
      }
    ]
  },
  "type": {
    "coding": [
      {
        "system": "http://hl7.org/fhir/allergy-intolerance-type",
        "code": "allergy",
        "display": "Allergy"
      }
    ]
  },
  "category": [
    "food"
  ],
  "criticality": "high",
  "code": {
    "coding": [
      {
        "system": "http://snomed.info/sct",
        "code": "227493005",
        "display": "Cashew nuts"
      }
    ]
  },
  "patient": {
    "reference": "Patient/example"
  },
  "onsetDateTime": "2004",
  "recordedDate": "2014-10-09T14:58:00+11:00",
  "recorder": {
    "reference": "Practitioner/example"
  },
  "asserter": {
    "reference": "Patient/example"
  },
  "note": [
    {
      "text": "The criticality is high becasue of the observed anaphylactic reaction when challenged with cashew extract."
    }
  ],
  "reaction": [
    {
      "substance": {
        "coding": [
          {
            "system": "http://www.nlm.nih.gov/research/umls/rxnorm",
            "code": "1160593",
            "display": "cashew nut allergenic extract Injectable Product"
          }
        ]
      },
      "manifestation": [
        {
          "concept": {
            "coding": [
              {
                "system": "http://snomed.info/sct",
                "code": "39579001",
                "display": "Anaphylactic reaction"
              }
            ]
          }
        }
      ],
      "description": "Challenge Protocol. Severe reaction to subcutaneous cashew extract. Epinephrine administered",
      "onset": "2012-06-12",
      "severity": "severe",
      "exposureRoute": {
        "coding": [
          {
            "system": "http://snomed.info/sct",
            "code": "34206005",
            "display": "Subcutaneous route"
          }
        ]
      }
    },
    {
      "manifestation": [
        {
          "concept": {
            "coding": [
              {
                "system": "http://snomed.info/sct",
                "code": "64305001",
                "display": "Urticaria"
              }
            ]
          }
        }
      ],
      "onset": "2004",
      "severity": "moderate",
      "note": [
        {
          "text": "The patient reports that the onset of urticaria was within 15 minutes of eating cashews."
        }
      ]
    }
  ],
  "meta": {
    "tag": [
      {
        "system": "http://terminology.hl7.org/CodeSystem/v3-ActReason",
        "code": "HTEST",
        "display": "test health data"
      }
    ]
  }
}