{
  "description": "**Date related onsets (dateTime and Period)**  \\n**NOTE**: This US Core SearchParameter definition extends the usage context of the\\n[Conformance expectation extension](http://hl7.org/fhir/R4/extension-capabilitystatement-expectation.html)\\n - multipleAnd\\n - multipleOr\\n - comparator\\n - modifier\\n - chain",
  "_filename": "SearchParameter-us-core-condition-onset-date.json",
  "package_name": "hl7.fhir.us.core",
  "date": "2020-11-20T05:19:27.816607Z",
  "expression": "Condition.onset.as(dateTime)|Condition.onset.as(Period)",
  "publisher": "HL7 International - US Realm Steering Committee",
  "multipleAnd": true,
  "_comparator": [ {
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation",
      "valueCode": "MAY"
    } ]
  }, {
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation",
      "valueCode": "MAY"
    } ]
  }, {
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation",
      "valueCode": "SHALL"
    } ]
  }, {
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation",
      "valueCode": "SHALL"
    } ]
  }, {
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation",
      "valueCode": "SHALL"
    } ]
  }, {
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation",
      "valueCode": "SHALL"
    } ]
  }, {
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation",
      "valueCode": "MAY"
    } ]
  }, {
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation",
      "valueCode": "MAY"
    } ]
  }, {
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation",
      "valueCode": "MAY"
    } ]
  } ],
  "jurisdiction": [ {
    "coding": [ {
      "code": "US",
      "system": "urn:iso:std:iso:3166"
    } ]
  } ],
  "derivedFrom": "http://hl7.org/fhir/SearchParameter/Condition-onset-date",
  "multipleOr": true,
  "name": "USCoreConditionOnsetDate",
  "xpath": "f:Condition/f:onsetDateTime|f:Condition/f:onsetPeriod",
  "xpathUsage": "normal",
  "type": "date",
  "experimental": "false",
  "resourceType": "SearchParameter",
  "title": null,
  "package_version": "4.0.0",
  "status": "active",
  "id": "d18b0e15-289f-45b8-8293-570037a75a2b",
  "kind": null,
  "_multipleOr": {
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation",
      "valueCode": "MAY"
    } ]
  },
  "url": "http://hl7.org/fhir/us/core/SearchParameter/us-core-condition-onset-date",
  "code": "onset-date",
  "comparator": [ "eq", "ne", "gt", "ge", "lt", "le", "sa", "eb", "ap" ],
  "base": [ "Condition" ],
  "version": "4.0.0",
  "contact": [ {
    "name": "HL7 International - US Realm Steering Committee",
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/usrealm/index.cfm",
      "system": "url"
    } ]
  } ],
  "_multipleAnd": {
    "extension": [ {
      "url": "http://hl7.org/fhir/StructureDefinition/capabilitystatement-expectation",
      "valueCode": "SHOULD"
    } ]
  }
}