A typical Medication allergy from a clinical system

{
  "resourceType": "AllergyIntolerance",
  "id": "medication",
  "text": {
    "status": "generated",
    "div": "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p><b>Generated Narrative with Details</b></p><p><b>id</b>: medication</p><p><b>clinicalStatus</b>: active</p><p><b>verificationStatus</b>: unconfirmed</p><p><b>category</b>: medication</p><p><b>criticality</b>: high</p><p><b>code</b>: Penicillin G <span>(Details : {RxNorm code '7980' = '7980', given as 'Penicillin G'})</span></p><p><b>patient</b>: <a>Patient/example</a></p><p><b>assertedDate</b>: 01/03/2010</p><p><b>recorder</b>: <a>Practitioner/13</a></p><h3>Reactions</h3><table><tr><td>-</td><td><b>Manifestation</b></td></tr><tr><td>*</td><td>Hives <span>(Details : {SNOMED CT code '247472004' = 'Weal', given as 'Hives'})</span></td></tr></table></div>"

  "resourceType" : "AllergyIntolerance",
  "id" : "medication",
  "clinicalStatus" : {
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/allergyintolerance-clinical",
      "code" : "active",
      "display" : "Active"
    }]

  },
  "clinicalStatus": "active",
  "verificationStatus": "unconfirmed",
  "category": [
    "medication"
  ],
  "criticality": "high",
  "code": {
    "coding": [
      {
        "system": "http://www.nlm.nih.gov/research/umls/rxnorm",
        "code": "7980",
        "display": "Penicillin G"
      }
    ]

  "verificationStatus" : {
    "coding" : [{
      "system" : "http://terminology.hl7.org/CodeSystem/allergyintolerance-verification",
      "code" : "unconfirmed",
      "display" : "Unconfirmed"
    }]

  },
  "patient": {
    "reference": "Patient/example"

  "category" : ["medication"],
  "criticality" : "high",
  "code" : {
    "coding" : [{
      "system" : "http://www.nlm.nih.gov/research/umls/rxnorm",
      "code" : "7980",
      "display" : "Penicillin G"
    }]

  },
  "assertedDate": "2010-03-01",
  "recorder": {
    "reference": "Practitioner/13"

  "patient" : {
    "reference" : "Patient/example"

  },
  "reaction": [
    {
      "manifestation": [
        {
          "coding": [
            {
              "system": "http://snomed.info/sct",
              "code": "247472004",
              "display": "Hives"
            }
          ]
        }
      ]
    }
  ]

  "recordedDate" : "2010-03-01",
  "recorder" : {
    "reference" : "Practitioner/example"
  },
  "reaction" : [{
    "manifestation" : [{
      "concept" : {
        "coding" : [{
          "system" : "http://snomed.info/sct",
          "code" : "247472004",
          "display" : "Hives"
        }]
      }
    }]
  }]

}