Evidence Variable Constraint

{
  "description" : "A rule or other expectation for data values.",
  "date" : "2026-05-04T16:55:11+11:00",
  "meta" : {
    "profile" : [ "http://hl7.org/fhir/StructureDefinition/shareablecodesystem" ]
  },
  "publisher" : "HL7 (FHIR Project)",
  "content" : "complete",
  "property" : null,
  "name" : "EvidenceVariableConstraint",
  "experimental" : false,
  "resourceType" : "CodeSystem",
  "title" : "Evidence Variable Constraint",
  "extension" : [ {
    "valueCode" : "cds",
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg"
  }, {
    "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger" : 1
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    "extension" : [ {
      "valueString" : "concept",
      "url" : "path"
    }, {
      "url" : "count",
      "valueInteger" : 3
    } ],
    "url" : "http://health-samurai.io/extensions/excised-data"
  }, {
    "url" : "http://health-samurai.io/extensions/source",
    "valueCode" : "db"
  } ],
  "status" : "active",
  "id" : "evidence-variable-constraint",
  "valueSet" : "http://terminology.hl7.org/ValueSet/evidence-variable-constraint",
  "url" : "http://terminology.hl7.org/CodeSystem/evidence-variable-constraint",
  "caseSensitive" : true,
  "version" : "1.0.0",
  "contact" : [ {
    "telecom" : [ {
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }, {
      "system" : "email",
      "value" : "fhir@lists.hl7.org"
    } ]
  } ],
  "text" : {
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem evidence-variable-constraint</b></p><a name=\"evidence-variable-constraint\"> </a><a name=\"hcevidence-variable-constraint\"> </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\"/><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://terminology.hl7.org/CodeSystem/evidence-variable-constraint</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\">alphanumeric-only<a name=\"evidence-variable-constraint-alphanumeric-only\"> </a></td><td>Alphanumeric Characters Only</td><td>String values that are restricted to only numbers and letters [A-Za-z0-9].</td></tr><tr><td style=\"white-space:nowrap\">alphanumeric-space-only<a name=\"evidence-variable-constraint-alphanumeric-space-only\"> </a></td><td>Alphanumeric and Space Characters Only</td><td>String values that are restricted to only numbers, letters, and spaces [A-Za-z0-9\\s].</td></tr><tr><td style=\"white-space:nowrap\">range-zero-to-one<a name=\"evidence-variable-constraint-range-zero-to-one\"> </a></td><td>Range Zero to One</td><td>Numeric value between 0 and 1, inclusive.</td></tr></table></div>",
    "status" : "generated"
  }
}