SQL on FHIR, published by HL7 International / FHIR Infrastructure. This guide is not an authorized publication; it is the continuous build for version 3.0.0-ballot built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/sql-on-fhir/ and changes regularly. See the Directory of published versions

• Narrative Content
• XML
• JSON

: Cardiovascular Disease Patients

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{
  "resourceType" : "Library",
  "id" : "CardiovascularDiseasePatientsQuery",
  "meta" : {
    "profile" : [
      🔗 "http://hl7.org/fhir/uv/sql-on-fhir/StructureDefinition/SQLQuery"
    ]
  },
  "language" : "en",
  "text" : {
    "status" : "extensions",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n  <table class=\"narrative-table\">\n    <tbody>\n<tr>\n\n\n<th colspan=\"2\" scope=\"row\" class=\"row-header\"><a name=\"metadata\"> </a>Metadata</th>\n\n\n</tr>\n\n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Title</th>\n\n\n\n<td class=\"content-container\">Cardiovascular Disease Patients</td>\n\n\n</tr>\n\n\n\n\n\n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Version</th>\n\n\n\n<td class=\"content-container\">3.0.0-ballot</td>\n\n\n</tr>\n\n\n\n\n\n\n\n  \n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Identifier</th>\n\n\n\n<td class=\"content-container\">urn:oid:2.16.840.1.113883.4.642.40.77.28.7</td>\n\n\n</tr>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Jurisdiction</th>\n\n\n\n<td class=\"content-container\">\n    World\n\n\n</td>\n\n\n</tr>\n\n\n\n\n\n\n\n\n\n\n\n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Steward (Publisher)</th>\n\n\n\n<td class=\"content-container\">HL7 International / FHIR Infrastructure</td>\n\n\n</tr>\n\n\n\n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Steward Contact</th>\n\n\n\n<td class=\"content-container\">HL7 International / FHIR Infrastructure</td>\n\n\n</tr>\n\n\n\n\n\n\n\n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Description</th>\n\n\n\n<td class=\"content-container\"><div><p>Returns each condition whose code is a member of the\n<code>http://example.org/ValueSet/cardiovascular-disease|2026</code> value set. The value\nset is declared as a dependency and the runner exposes it under the <code>cvd_codes</code>\nlabel as a relation with the columns <code>system</code>, <code>version</code>, <code>code</code>, <code>display</code> and\n<code>inactive</code> (see <a href=\"terminology-in-sql.html\">Terminology in SQL</a>). Because the\n<code>conditions</code> view carries no code system version, membership is tested on\n<code>system</code> and <code>code</code> with a semi-join, which cannot multiply rows.</p>\n<pre><code class=\"language-sql\">SELECT conditions.patient_id, conditions.code\nFROM conditions\nWHERE EXISTS (\n  SELECT 1\n  FROM cvd_codes\n  WHERE cvd_codes.system = conditions.system\n    AND cvd_codes.code = conditions.code\n)\n</code></pre>\n</div></td>\n\n\n</tr>\n\n\n\n\n\n\n\n\n\n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Type</th>\n\n\n\n<td class=\"content-container\">\n    <a href=\"CodeSystem-LibraryTypesCodes.html\">http://hl7.org/fhir/uv/sql-on-fhir/CodeSystem/LibraryTypesCodes</a>#sql-query\n\n\n</td>\n\n\n</tr>\n\n\n\n\n\n\n\n\n\n\n\n\n\n<tr>\n\n\n<th colspan=\"2\" scope=\"row\" class=\"row-header\"><a name=\"parameters\"> </a>Parameters</th>\n\n\n</tr>\n\n\n<tr>\n\n\n<th scope=\"row\" class=\"row-header\">Parameter</th>\n\n\n\n<td class=\"content-container\">None</td>\n\n\n</tr>\n\n\n\n\n\n\n\n\n  <tr>\n\n\n<th colspan=\"2\" scope=\"row\" class=\"row-header\">Library Content</th>\n\n\n</tr>\n  \n    \n    <tr>\n      <th scope=\"row\" class=\"row-header\">application/sqlContent</th>\n      <td>\n        <pre style=\"border: none;\" class=\"content-container highlight language-cql\"><code>Encoded data </code></pre>\n      </td>\n    </tr>\n    \n  \n\n\n<tr>\n\n\n<th colspan=\"2\" scope=\"row\" class=\"row-header\"><a name=\"related-artifacts\"> </a>Citations and References</th>\n\n\n</tr>\n\n\n<tr>\n  \n  \n  \n  \n  \n\n<th scope=\"row\" class=\"row-header\">Dependency</th>\n\n\n  \n  \n  <td class=\"content-container\">\n    \n    <em>Description</em>: Condition view with patient_id, system, version and code columns\n    \n    <br/>\n    \n    \n    \n    \n    \n    \n    <em>Resource</em>: <code>https://example.org/ViewDefinition/conditions</code>\n    <br/>\n    <em>Canonical URL</em>: <tt>https://example.org/ViewDefinition/conditions</tt>\n    \n    \n    \n  </td>\n</tr>\n\n<tr>\n  \n  \n  \n  \n  \n\n<th scope=\"row\" class=\"row-header\">Dependency</th>\n\n\n  \n  \n  <td class=\"content-container\">\n    \n    <em>Description</em>: Cardiovascular disease value set, exposed as a relation\n    \n    <br/>\n    \n    \n    \n    \n    \n    \n    <em>Resource</em>: <code>http://example.org/ValueSet/cardiovascular-disease|2026</code>\n    <br/>\n    <em>Canonical URL</em>: <tt>http://example.org/ValueSet/cardiovascular-disease|2026</tt>\n    \n    \n    \n  </td>\n</tr>\n\n\n\n\n<tr>\n  <th colspan=\"2\" scope=\"row\" class=\"row-header\">Generated using version 0.5.6 of the sample-content-ig Liquid templates</th>\n</tr>\n\n    </tbody>\n  </table>\n</div>"
  },
  "url" : "http://hl7.org/fhir/uv/sql-on-fhir/Library/CardiovascularDiseasePatientsQuery",
  "identifier" : [
    {
      "system" : "urn:ietf:rfc:3986",
      "value" : "urn:oid:2.16.840.1.113883.4.642.40.77.28.7"
    }
  ],
  "version" : "3.0.0-ballot",
  "name" : "CardiovascularDiseasePatientsQuery",
  "title" : "Cardiovascular Disease Patients",
  "status" : "active",
  "type" : {
    "coding" : [
      {
        "system" : "http://hl7.org/fhir/uv/sql-on-fhir/CodeSystem/LibraryTypesCodes",
        "code" : "sql-query"
      }
    ]
  },
  "date" : "2026-10-13T03:59:03+00:00",
  "publisher" : "HL7 International / FHIR Infrastructure",
  "contact" : [
    {
      "name" : "HL7 International / FHIR Infrastructure",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/fiwg"
        }
      ]
    }
  ],
  "description" : "Returns each condition whose code is a member of the\n`http://example.org/ValueSet/cardiovascular-disease|2026` value set. The value\nset is declared as a dependency and the runner exposes it under the `cvd_codes`\nlabel as a relation with the columns `system`, `version`, `code`, `display` and\n`inactive` (see [Terminology in SQL](terminology-in-sql.html)). Because the\n`conditions` view carries no code system version, membership is tested on\n`system` and `code` with a semi-join, which cannot multiply rows.\n\n```sql\nSELECT conditions.patient_id, conditions.code\nFROM conditions\nWHERE EXISTS (\n  SELECT 1\n  FROM cvd_codes\n  WHERE cvd_codes.system = conditions.system\n    AND cvd_codes.code = conditions.code\n)\n```",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code" : "001",
          "display" : "World"
        }
      ]
    }
  ],
  "relatedArtifact" : [
    {
      "type" : "depends-on",
      "label" : "conditions",
      "display" : "Condition view with patient_id, system, version and code columns",
      "resource" : "https://example.org/ViewDefinition/conditions"
    },
    {
      "type" : "depends-on",
      "label" : "cvd_codes",
      "display" : "Cardiovascular disease value set, exposed as a relation",
      "resource" : "http://example.org/ValueSet/cardiovascular-disease|2026"
    }
  ],
  "content" : [
    {
      "extension" : [
        {
          "url" : "http://hl7.org/fhir/uv/sql-on-fhir/StructureDefinition/sql-text",
          "valueString" : "SELECT conditions.patient_id, conditions.code\nFROM conditions\nWHERE EXISTS (\n  SELECT 1\n  FROM cvd_codes\n  WHERE cvd_codes.system = conditions.system\n    AND cvd_codes.code = conditions.code\n)"
        }
      ],
      "contentType" : "application/sql",
      "data" : "U0VMRUNUIGNvbmRpdGlvbnMucGF0aWVudF9pZCwgY29uZGl0aW9ucy5jb2RlCkZST00gY29uZGl0aW9ucwpXSEVSRSBFWElTVFMgKAogIFNFTEVDVCAxCiAgRlJPTSBjdmRfY29kZXMKICBXSEVSRSBjdmRfY29kZXMuc3lzdGVtID0gY29uZGl0aW9ucy5zeXN0ZW0KICAgIEFORCBjdmRfY29kZXMuY29kZSA9IGNvbmRpdGlvbnMuY29kZQop"
    }
  ]
}