Evidence Based Medicine on FHIR Implementation Guide
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Evidence Based Medicine on FHIR Implementation Guide, published by HL7 International / Clinical Decision Support. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot2 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/ebm/ and changes regularly. See the Directory of published versions

: Hypertension Control at 12 weeks - JSON Representation

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{
  "resourceType" : "EvidenceVariable",
  "id" : "375202",
  "meta" : {
    "versionId" : "7",
    "lastUpdated" : "2025-07-08T12:13:36.844Z",
    "profile" : [
      🔗 "http://hl7.org/fhir/uv/ebm/StructureDefinition/variable-definition"
    ]
  },
  "text" : {
    "status" : "empty",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p>[No data.]</p></div>"
  },
  "url" : "https://fevir.net/resources/EvidenceVariable/375202",
  "identifier" : [
    {
      "type" : {
        "coding" : [
          {
            "system" : "http://terminology.hl7.org/CodeSystem/v2-0203",
            "code" : "ACSN",
            "display" : "Accession ID"
          }
        ],
        "text" : "FEvIR Object Identifier"
      },
      "system" : "urn:ietf:rfc:3986",
      "value" : "https://fevir.net/FOI/375202",
      "assigner" : {
        "display" : "Computable Publishing LLC"
      }
    }
  ],
  "name" : "Hypertension_Control_at_12_weeks",
  "title" : "Hypertension Control at 12 weeks",
  "citeAs" : "Hypertension Control at 12 weeks [Database Entry: FHIR EvidenceVariable Resource]. Contributors: Joanne Dehnbostel [Authors/Creators]. In: Fast Evidence Interoperability Resources (FEvIR) Platform, FOI 375202. Revised 2025-07-08. Available at: https://fevir.net/resources/EvidenceVariable/375202. Computable resource at: https://fevir.net/resources/EvidenceVariable/375202#json.",
  "status" : "active",
  "author" : [
    {
      "name" : "Joanne Dehnbostel"
    }
  ],
  "publisher" : "Computable Publishing LLC",
  "contact" : [
    {
      "telecom" : [
        {
          "system" : "email",
          "value" : "support@computablepublishing.com"
        }
      ]
    }
  ],
  "description" : "Example of VariableDefinition Profile",
  "useContext" : [
    {
      "code" : {
        "system" : "https://fevir.net/resources/CodeSystem/179423",
        "code" : "evidence-communication",
        "display" : "Evidence Communication"
      },
      "valueCodeableConcept" : {
        "coding" : [
          {
            "system" : "https://fevir.net/resources/CodeSystem/179423",
            "code" : "VariableDefinition",
            "display" : "VariableDefinition"
          }
        ]
      }
    }
  ],
  "copyright" : "https://creativecommons.org/licenses/by-nc-sa/4.0/",
  "definition" : {
    "concept" : {
      "coding" : [
        {
          "system" : "http://snomed.info/sct",
          "code" : "170577003",
          "display" : "Good hypertension control"
        }
      ],
      "text" : "Hypertension Control defined as <130/\u2009<\u200980 mm Hg"
    }
  },
  "definitionModifier" : [
    {
      "code" : {
        "coding" : [
          {
            "system" : "http://loinc.org",
            "code" : "8480-6",
            "display" : "Systolic blood pressure"
          }
        ]
      },
      "valueQuantity" : {
        "value" : 130,
        "comparator" : "<",
        "unit" : "mmHg"
      }
    },
    {
      "code" : {
        "coding" : [
          {
            "system" : "http://loinc.org",
            "code" : "8462-4",
            "display" : "Diastolic blood pressure"
          }
        ]
      },
      "valueQuantity" : {
        "value" : 80,
        "comparator" : "<",
        "unit" : "mmHg"
      }
    }
  ],
  "handling" : "boolean",
  "timing" : {
    "contextCode" : {
      "coding" : [
        {
          "system" : "http://snomed.info/sct",
          "code" : "709491003",
          "display" : "Enrollment in clinical trial (procedure)"
        }
      ]
    },
    "offsetDuration" : {
      "value" : 12,
      "unit" : "weeks",
      "system" : "http://unitsofmeasure.org",
      "code" : "wk"
    }
  }
}