FHIR Extensions Pack, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 5.2.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-extensions/ and changes regularly. See the Directory of published versions

• Narrative Content
• XML
• JSON
• TTL

: AllergyIntolerance Certainty CodeSystem - JSON Representation

Raw json | Download

{
  "resourceType" : "CodeSystem",
  "id" : "reaction-event-certainty",
  "meta" : {
    "lastUpdated" : "2023-01-31T07:07:38.434+11:00",
    "profile" : [
      🔗 "http://hl7.org/fhir/StructureDefinition/shareablecodesystem"
    ]
  },
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem reaction-event-certainty</b></p><a name=\"reaction-event-certainty\"> </a><a name=\"hcreaction-event-certainty\"> </a><a name=\"reaction-event-certainty-en-US\"> </a><div style=\"display: inline-block; background-color: #d9e0e7; padding: 6px; margin: 4px; border: 1px solid #8da1b4; border-radius: 5px; line-height: 60%\"><p style=\"margin-bottom: 0px\">Last updated: 2023-01-31 07:07:38+1100</p><p style=\"margin-bottom: 0px\">Profile: <a href=\"http://hl7.org/fhir/R5/shareablecodesystem.html\">Shareable CodeSystem</a></p></div><p>This case-sensitive code system <code>http://hl7.org/fhir/reaction-event-certainty</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">unlikely<a name=\"reaction-event-certainty-unlikely\"> </a></td><td>Unlikely</td><td>There is a low level of clinical certainty that the reaction was caused by the identified substance.</td></tr><tr><td style=\"white-space:nowrap\">likely<a name=\"reaction-event-certainty-likely\"> </a></td><td>Likely</td><td>There is a high level of clinical certainty that the reaction was caused by the identified substance.</td></tr><tr><td style=\"white-space:nowrap\">confirmed<a name=\"reaction-event-certainty-confirmed\"> </a></td><td>Confirmed</td><td>There is a very high level of clinical certainty that the reaction was due to the identified substance, which may include clinical evidence by testing or rechallenge.</td></tr><tr><td style=\"white-space:nowrap\">unknown<a name=\"reaction-event-certainty-unknown\"> </a></td><td>Unknown</td><td>The clinical certainty that the reaction was caused by the identified substance is unknown.  It is an explicit assertion that certainty is not known.</td></tr></table></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "pc"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode" : "trial-use"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger" : 2
    }
  ],
  "url" : "http://hl7.org/fhir/reaction-event-certainty",
  "identifier" : [
    {
      "system" : "urn:ietf:rfc:3986",
      "value" : "urn:oid:2.16.840.1.113883.4.642.1.1276"
    },
    {
      "use" : "old",
      "system" : "urn:ietf:rfc:3986",
      "value" : "urn:oid:2.16.840.1.113883.4.642.1.860"
    },
    {
      "use" : "old",
      "system" : "urn:ietf:rfc:3986",
      "value" : "urn:oid:2.16.840.1.113883.4.642.2.54"
    }
  ],
  "version" : "5.2.0-ballot",
  "name" : "AllergyIntoleranceCertainty",
  "title" : "AllergyIntolerance Certainty CodeSystem",
  "status" : "draft",
  "experimental" : false,
  "date" : "2025-04-07T06:19:54+00:00",
  "publisher" : "HL7 International / Patient Care",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/patientcare"
        }
      ]
    }
  ],
  "description" : "AllergyIntoleranceCertainty",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code" : "001"
        }
      ]
    }
  ],
  "caseSensitive" : true,
  "content" : "complete",
  "concept" : [
    {
      "code" : "unlikely",
      "display" : "Unlikely",
      "definition" : "There is a low level of clinical certainty that the reaction was caused by the identified substance."
    },
    {
      "code" : "likely",
      "display" : "Likely",
      "definition" : "There is a high level of clinical certainty that the reaction was caused by the identified substance."
    },
    {
      "code" : "confirmed",
      "display" : "Confirmed",
      "definition" : "There is a very high level of clinical certainty that the reaction was due to the identified substance, which may include clinical evidence by testing or rechallenge."
    },
    {
      "code" : "unknown",
      "display" : "Unknown",
      "definition" : "The clinical certainty that the reaction was caused by the identified substance is unknown.  It is an explicit assertion that certainty is not known."
    }
  ]
}