Cross-Version Extension for OperationOutcome.issue.severity in R5

Context of Use

This extension may be used in the following contexts:

Name	Flags	Card.	Type	Description & Constraints
Extension		1..1	Extension	fatal | error | warning | information | success
extension		..0
value[x]		1..	code
url				"http://hl7.org/fhir/5.0/StructureDefinition/extension-OperationOutcome.issue.severity"
Documentation for this format

{
  "resourceType" : "StructureDefinition",
  "id" : "xv-r5-opo.iss.severity",
  "url" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-OperationOutcome.issue.severity",
  "name" : "XVerExtensionOperationOutcome.issue.severityR5",
  "title" : "Cross-Version Extension for OperationOutcome.issue.severity in R5",
  "status" : "active",
  "experimental" : false,
  "publisher" : "Health Level Seven International (FHIR Infrastructure)",
  "contact" : [{
    "telecom" : [{
      "system" : "url",
      "value" : "http://hl7.org/fhir"
    }]
  },
  {
    "telecom" : [{
      "system" : "url",
      "value" : "http://www.hl7.org/Special/committees/fiwg/index.cfm"
    }]
  }],
  "description" : "Cross-Version Extension for OperationOutcome.issue.severity. Valid in versions R2, R3, R4, R4B\r\n\r\nThis is a valid extension because it has the following codes that are not in other versions success (http://hl7.org/fhir/5.0/issue-severity)",
  "jurisdiction" : [{
    "coding" : [{
      "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
      "code" : "001"
    }]
  }],
  "fhirVersion" : "5.0.0",
  "kind" : "complex-type",
  "abstract" : false,
  "type" : "Extension",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Extension",
  "derivation" : "constraint",
  "differential" : {
    "element" : [{
      "path" : "Extension",
      "short" : "fatal | error | warning | information | success",
      "definition" : "Indicates whether the issue indicates a variation from successful processing.",
      "requirements" : "Indicates how relevant the issue is to the overall success of the action.",
      "min" : 1,
      "max" : "1",
      "isModifier" : false,
      "mapping" : [{
        "identity" : "v2",
        "map" : "ERR-4"
      },
      {
        "identity" : "rim",
        "map" : "./typeCode[parent::AcknowledgmentDetail] or unique(./inboundRelationship[parent::Observation and typeCode='SUBJ' and isNormalActRelationship()]/source[classCode=\"OBS\" and moodCode=\"EVN\" and implies(code, ActCode#SEV and isNormalAct())/value[xsi:type=\"CD\"]"
      }]
    },
    {
      "path" : "Extension.extension",
      "max" : "0"
    },
    {
      "path" : "Extension.value[x]",
      "min" : 1,
      "type" : [{
        "code" : "code"
      }]
    },
    {
      "path" : "Extension.url",
      "fixedUri" : "http://hl7.org/fhir/5.0/StructureDefinition/extension-OperationOutcome.issue.severity"
    }]
  }
}