FHIR R4 Symptoms Implementation Guide
1.0.0-ballot - STU 1 Ballot International flag

FHIR R4 Symptoms Implementation Guide, published by HL7 International / Clinical Interoperability Council. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/fhir-symptoms-ig/ and changes regularly. See the Directory of published versions

: EpisodicityCS

Page standards status: Trial-use Maturity Level: 1

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{
  "resourceType" : "CodeSystem",
  "id" : "openEHR-EHR-CLUSTER.symptom-sign.v2.at0175",
  "language" : "en",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem openEHR-EHR-CLUSTER.symptom-sign.v2.at0175</b></p><a name=\"openEHR-EHR-CLUSTER.symptom-sign.v2.at0175\"> </a><a name=\"hcopenEHR-EHR-CLUSTER.symptom-sign.v2.at0175\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/uv/symptoms/CodeSystem/openEHR-EHR-CLUSTER.symptom-sign.v2.at0175</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\">at0176<a name=\"openEHR-EHR-CLUSTER.symptom-sign.v2.at0175-at0176\"> </a></td><td>New</td><td>A new episode of the symptom or sign - either the first ever occurrence or a reoccurrence where the previous episode had completely resolved.</td></tr><tr><td style=\"white-space:nowrap\">at0178<a name=\"openEHR-EHR-CLUSTER.symptom-sign.v2.at0175-at0178\"> </a></td><td>Ongoing</td><td>This symptom or sign is ongoing, effectively a single, continuous episode.</td></tr><tr><td style=\"white-space:nowrap\">at0177<a name=\"openEHR-EHR-CLUSTER.symptom-sign.v2.at0175-at0177\"> </a></td><td>Indeterminate</td><td>It is not possible to determine if this occurrence of the symptom or sign is new or ongoing.</td></tr></table></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "cic"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger" : 1,
      "_valueInteger" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org/fhir/uv/symptoms/ImplementationGuide/hl7.fhir.uv.symptoms"
          }
        ]
      }
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode" : "trial-use",
      "_valueCode" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org/fhir/uv/symptoms/ImplementationGuide/hl7.fhir.uv.symptoms"
          }
        ]
      }
    }
  ],
  "url" : "http://hl7.org/fhir/uv/symptoms/CodeSystem/openEHR-EHR-CLUSTER.symptom-sign.v2.at0175",
  "version" : "1.0.0-ballot",
  "name" : "EpisodicityCS",
  "title" : "Episodicity",
  "status" : "active",
  "date" : "2025-12-17T20:51:08+00:00",
  "publisher" : "HL7 International / Clinical Interoperability Council",
  "contact" : [
    {
      "name" : "HL7 International / Clinical Interoperability Council",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/cic"
        }
      ]
    }
  ],
  "description" : "CodeSystem for Category of this episode for the identified symptom or sign.",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code" : "001",
          "display" : "World"
        }
      ]
    }
  ],
  "caseSensitive" : true,
  "content" : "complete",
  "concept" : [
    {
      "code" : "at0176",
      "display" : "New",
      "definition" : "A new episode of the symptom or sign - either the first ever occurrence or a reoccurrence where the previous episode had completely resolved."
    },
    {
      "code" : "at0178",
      "display" : "Ongoing",
      "definition" : "This symptom or sign is ongoing, effectively a single, continuous episode."
    },
    {
      "code" : "at0177",
      "display" : "Indeterminate",
      "definition" : "It is not possible to determine if this occurrence of the symptom or sign is new or ongoing."
    }
  ]
}