Clinical Document Architecture V2.0.1
2.1.0-draft1 - 1st Draft

This page is part of the CDA: Clinical Document Architecture (v2.1.0-draft1: CDA 2.1 Draft) based on FHIR v5.0.0. . For a full list of available versions, see the Directory of published versions

Logical Model: CDAR2.Observation - JSON Profile

Active as of 2023-01-16

JSON representation of the Observation logical model.

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{
  "resourceType" : "StructureDefinition",
  "id" : "Observation",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n      <p>A derivative of the RIM Observation class, used for representing coded and other observations.</p>\n      <p>Observation.negationInd, when set to &quot;true&quot;, is a positive assertion that the Observation as a whole is negated. Some properties such as Observation.id, Observation.moodCode, and the participations are not negated. These properties always have the same meaning: i.e., the author remains the author of the negative Observation. An observation statement with negationInd is still a statement about the specific fact described by the Observation. For instance, a negated &quot;finding of wheezing on July 1&quot; means that the author positively denies that there was wheezing on July 1, and that he takes the same responsibility for such statement and the same requirement to have evidence for such statement than if he had not used negation.</p>\n    </div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/elementdefinition-namespace",
      "valueUri" : "urn:hl7-org:v3"
    }
  ],
  "url" : "http://hl7.org/fhir/cda/StructureDefinition/Observation",
  "version" : "2.1.0-draft1",
  "name" : "CDAR2.Observation",
  "title" : "Observation (CDA Class)",
  "status" : "active",
  "experimental" : false,
  "date" : "2023-01-16T16:39:50+11:00",
  "publisher" : "Health Level 7",
  "contact" : [
    {
      "name" : "HL7 International - Cross-Group Projects",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/cgp"
        },
        {
          "system" : "email",
          "value" : "cgp@lists.HL7.org"
        }
      ]
    }
  ],
  "description" : "A derivative of the RIM Observation class, used for representing coded and other observations.\nObservation.negationInd, when set to \"true\", is a positive assertion that the Observation as a whole is negated. Some properties such as Observation.id, Observation.moodCode, and the participations are not negated. These properties always have the same meaning: i.e., the author remains the author of the negative Observation. An observation statement with negationInd is still a statement about the specific fact described by the Observation. For instance, a negated \"finding of wheezing on July 1\" means that the author positively denies that there was wheezing on July 1, and that he takes the same responsibility for such statement and the same requirement to have evidence for such statement than if he had not used negation.",
  "fhirVersion" : "5.0.0-snapshot3",
  "mapping" : [
    {
      "identity" : "rim",
      "uri" : "http://hl7.org/v3",
      "name" : "RIM Mapping"
    }
  ],
  "kind" : "logical",
  "abstract" : false,
  "type" : "Observation",
  "baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Base",
  "derivation" : "specialization",
  "snapshot" : {
    "element" : [
      {
        "id" : "Observation",
        "path" : "Observation",
        "short" : "Base for all types and resources",
        "definition" : "Base definition for all types defined in FHIR type system.",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Base",
          "min" : 0,
          "max" : "*"
        },
        "constraint" : [
          {
            "key" : "ele-1",
            "severity" : "error",
            "human" : "All FHIR elements must have a @value or children",
            "expression" : "hasValue() or (children().count() > id.count())",
            "source" : "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ],
        "isModifier" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "Observation.classCode",
        "path" : "Observation.classCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.classCode",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActClassObservation"
        }
      },
      {
        "id" : "Observation.moodCode",
        "path" : "Observation.moodCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.moodCode",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
          }
        ]
      },
      {
        "id" : "Observation.negationInd",
        "path" : "Observation.negationInd",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.negationInd",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean"
          }
        ]
      },
      {
        "id" : "Observation.realmCode",
        "path" : "Observation.realmCode",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.realmCode",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CS"
          }
        ]
      },
      {
        "id" : "Observation.typeId",
        "path" : "Observation.typeId",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.typeId",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.templateId",
        "path" : "Observation.templateId",
        "definition" : "When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.templateId",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.id",
        "path" : "Observation.id",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.id",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.code",
        "path" : "Observation.code",
        "representation" : [
          "typeAttr"
        ],
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.code",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CD"
          }
        ],
        "binding" : {
          "strength" : "extensible",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ObservationType"
        }
      },
      {
        "id" : "Observation.derivationExpr",
        "path" : "Observation.derivationExpr",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.derivationExpr",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ST"
          }
        ]
      },
      {
        "id" : "Observation.text",
        "path" : "Observation.text",
        "representation" : [
          "typeAttr"
        ],
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.text",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ED"
          }
        ]
      },
      {
        "id" : "Observation.statusCode",
        "path" : "Observation.statusCode",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.statusCode",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CS"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActStatus"
        }
      },
      {
        "id" : "Observation.effectiveTime",
        "path" : "Observation.effectiveTime",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.effectiveTime",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/IVL-TS"
          }
        ]
      },
      {
        "id" : "Observation.priorityCode",
        "path" : "Observation.priorityCode",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.priorityCode",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CE"
          }
        ],
        "binding" : {
          "strength" : "extensible",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActPriority"
        }
      },
      {
        "id" : "Observation.repeatNumber",
        "path" : "Observation.repeatNumber",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.repeatNumber",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/IVL-INT"
          }
        ]
      },
      {
        "id" : "Observation.languageCode",
        "path" : "Observation.languageCode",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.languageCode",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CS"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-HumanLanguage"
        }
      },
      {
        "id" : "Observation.value",
        "path" : "Observation.value",
        "representation" : [
          "typeAttr"
        ],
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.value",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/BL"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ED"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ST"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CD"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CV"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CE"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/SC"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/II"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/TEL"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/AD"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/EN"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/INT"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/REAL"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/PQ"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/MO"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/TS"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/IVL-PQ"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/IVL-TS"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/PIVL-TS"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/EIVL-TS"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/SXPR-TS"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/RTO-PQ-PQ"
          }
        ]
      },
      {
        "id" : "Observation.interpretationCode",
        "path" : "Observation.interpretationCode",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.interpretationCode",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CE"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ObservationInterpretation"
        }
      },
      {
        "id" : "Observation.methodCode",
        "path" : "Observation.methodCode",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.methodCode",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CE"
          }
        ],
        "binding" : {
          "strength" : "extensible",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ObservationMethod"
        }
      },
      {
        "id" : "Observation.targetSiteCode",
        "path" : "Observation.targetSiteCode",
        "definition" : "Drawn from concept domain ActSite",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.targetSiteCode",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CD"
          }
        ]
      },
      {
        "id" : "Observation.subject",
        "path" : "Observation.subject",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.subject",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "Element"
          }
        ],
        "constraint" : [
          {
            "key" : "ele-1",
            "severity" : "error",
            "human" : "All FHIR elements must have a @value or children",
            "expression" : "hasValue() or (children().count() > id.count())",
            "source" : "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ]
      },
      {
        "id" : "Observation.subject.id",
        "path" : "Observation.subject.id",
        "representation" : [
          "xmlAttr"
        ],
        "short" : "Unique id for inter-element referencing",
        "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Element.id",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "extension" : [
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl" : "string"
              }
            ],
            "code" : "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "Observation.subject.extension",
        "path" : "Observation.subject.extension",
        "slicing" : {
          "discriminator" : [
            {
              "type" : "value",
              "path" : "url"
            }
          ],
          "description" : "Extensions are always sliced by (at least) url",
          "rules" : "open"
        },
        "short" : "Additional content defined by implementations",
        "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias" : [
          "extensions",
          "user content"
        ],
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Element.extension",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Extension"
          }
        ],
        "constraint" : [
          {
            "key" : "ele-1",
            "severity" : "error",
            "human" : "All FHIR elements must have a @value or children",
            "expression" : "hasValue() or (children().count() > id.count())",
            "source" : "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key" : "ext-1",
            "severity" : "error",
            "human" : "Must have either extensions or value[x], not both",
            "expression" : "extension.exists() != value.exists()",
            "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "Observation.subject.typeCode",
        "path" : "Observation.subject.typeCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.subject.typeCode",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "defaultValueCode" : "SBJ",
        "fixedCode" : "SBJ",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ParticipationTargetSubject"
        }
      },
      {
        "id" : "Observation.subject.contextControlCode",
        "path" : "Observation.subject.contextControlCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.subject.contextControlCode",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "defaultValueCode" : "OP",
        "fixedCode" : "OP",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ContextControl"
        }
      },
      {
        "id" : "Observation.subject.awarenessCode",
        "path" : "Observation.subject.awarenessCode",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.subject.awarenessCode",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CE"
          }
        ],
        "binding" : {
          "strength" : "extensible",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-TargetAwareness"
        }
      },
      {
        "id" : "Observation.subject.relatedSubject",
        "path" : "Observation.subject.relatedSubject",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.subject.relatedSubject",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/RelatedSubject"
          }
        ]
      },
      {
        "id" : "Observation.specimen",
        "path" : "Observation.specimen",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.specimen",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Specimen"
          }
        ]
      },
      {
        "id" : "Observation.performer",
        "path" : "Observation.performer",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.performer",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Performer2"
          }
        ]
      },
      {
        "id" : "Observation.author",
        "path" : "Observation.author",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.author",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Author"
          }
        ]
      },
      {
        "id" : "Observation.informant",
        "path" : "Observation.informant",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.informant",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Element"
          }
        ],
        "constraint" : [
          {
            "key" : "ele-1",
            "severity" : "error",
            "human" : "All FHIR elements must have a @value or children",
            "expression" : "hasValue() or (children().count() > id.count())",
            "source" : "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ]
      },
      {
        "id" : "Observation.informant.id",
        "path" : "Observation.informant.id",
        "representation" : [
          "xmlAttr"
        ],
        "short" : "Unique id for inter-element referencing",
        "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Element.id",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "extension" : [
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl" : "string"
              }
            ],
            "code" : "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "Observation.informant.extension",
        "path" : "Observation.informant.extension",
        "slicing" : {
          "discriminator" : [
            {
              "type" : "value",
              "path" : "url"
            }
          ],
          "description" : "Extensions are always sliced by (at least) url",
          "rules" : "open"
        },
        "short" : "Additional content defined by implementations",
        "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias" : [
          "extensions",
          "user content"
        ],
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Element.extension",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Extension"
          }
        ],
        "constraint" : [
          {
            "key" : "ele-1",
            "severity" : "error",
            "human" : "All FHIR elements must have a @value or children",
            "expression" : "hasValue() or (children().count() > id.count())",
            "source" : "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key" : "ext-1",
            "severity" : "error",
            "human" : "Must have either extensions or value[x], not both",
            "expression" : "extension.exists() != value.exists()",
            "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "Observation.informant.typeCode",
        "path" : "Observation.informant.typeCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.informant.typeCode",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "defaultValueCode" : "INF",
        "fixedCode" : "INF",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ParticipationInformationGenerator"
        }
      },
      {
        "id" : "Observation.informant.contextControlCode",
        "path" : "Observation.informant.contextControlCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.informant.contextControlCode",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "defaultValueCode" : "OP",
        "fixedCode" : "OP",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ContextControl"
        }
      },
      {
        "id" : "Observation.informant.assignedEntity",
        "path" : "Observation.informant.assignedEntity",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.informant.assignedEntity",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/AssignedEntity"
          }
        ]
      },
      {
        "id" : "Observation.informant.relatedEntity",
        "path" : "Observation.informant.relatedEntity",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.informant.relatedEntity",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/RelatedEntity"
          }
        ]
      },
      {
        "id" : "Observation.participant",
        "path" : "Observation.participant",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.participant",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Participant2"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship",
        "path" : "Observation.entryRelationship",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.entryRelationship",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Element"
          }
        ],
        "constraint" : [
          {
            "key" : "obs-er-1",
            "severity" : "error",
            "human" : "Only one of observation, regionOfInterest, observationMedia, substanceAdministration, supply, procedure, encounter, organizer, and act",
            "expression" : "(observation | regionOfInterest | observationMedia | substanceAdministration | supply | procedure | encounter | organizer | act).count() = 1"
          },
          {
            "key" : "ele-1",
            "severity" : "error",
            "human" : "All FHIR elements must have a @value or children",
            "expression" : "hasValue() or (children().count() > id.count())",
            "source" : "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.id",
        "path" : "Observation.entryRelationship.id",
        "representation" : [
          "xmlAttr"
        ],
        "short" : "Unique id for inter-element referencing",
        "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Element.id",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "extension" : [
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl" : "string"
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            ],
            "code" : "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.extension",
        "path" : "Observation.entryRelationship.extension",
        "slicing" : {
          "discriminator" : [
            {
              "type" : "value",
              "path" : "url"
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          ],
          "description" : "Extensions are always sliced by (at least) url",
          "rules" : "open"
        },
        "short" : "Additional content defined by implementations",
        "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias" : [
          "extensions",
          "user content"
        ],
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Element.extension",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Extension"
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        ],
        "constraint" : [
          {
            "key" : "ele-1",
            "severity" : "error",
            "human" : "All FHIR elements must have a @value or children",
            "expression" : "hasValue() or (children().count() > id.count())",
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          },
          {
            "key" : "ext-1",
            "severity" : "error",
            "human" : "Must have either extensions or value[x], not both",
            "expression" : "extension.exists() != value.exists()",
            "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
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        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
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        ]
      },
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        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.typeCode",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.inversionInd",
        "path" : "Observation.entryRelationship.inversionInd",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.inversionInd",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.contextConductionInd",
        "path" : "Observation.entryRelationship.contextConductionInd",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.contextConductionInd",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean"
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        ],
        "defaultValueBoolean" : true
      },
      {
        "id" : "Observation.entryRelationship.sequenceNumber",
        "path" : "Observation.entryRelationship.sequenceNumber",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.sequenceNumber",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/INT"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.negationInd",
        "path" : "Observation.entryRelationship.negationInd",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 0,
        "max" : "1",
        "base" : {
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          "max" : "1"
        },
        "type" : [
          {
            "code" : "boolean"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.seperatableInd",
        "path" : "Observation.entryRelationship.seperatableInd",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.seperatableInd",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/BL"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.observation",
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        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.observation",
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          "max" : "1"
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        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Observation"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.regionOfInterest",
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        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.regionOfInterest",
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          "max" : "1"
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        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/RegionOfInterest"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.observationMedia",
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        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.observationMedia",
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          "max" : "1"
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        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ObservationMedia"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.substanceAdministration",
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        "max" : "1",
        "base" : {
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          "max" : "1"
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            "code" : "http://hl7.org/fhir/cda/StructureDefinition/SubstanceAdministration"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.supply",
        "path" : "Observation.entryRelationship.supply",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.supply",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Supply"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.procedure",
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        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.procedure",
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          "max" : "1"
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        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Procedure"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.encounter",
        "path" : "Observation.entryRelationship.encounter",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.encounter",
          "min" : 0,
          "max" : "1"
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        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Encounter"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.organizer",
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        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.organizer",
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          "max" : "1"
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          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Organizer"
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        ]
      },
      {
        "id" : "Observation.entryRelationship.act",
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        "max" : "1",
        "base" : {
          "path" : "Observation.entryRelationship.act",
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          "max" : "1"
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        "type" : [
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        ]
      },
      {
        "id" : "Observation.reference",
        "path" : "Observation.reference",
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        "max" : "*",
        "base" : {
          "path" : "Observation.reference",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Element"
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        ],
        "constraint" : [
          {
            "key" : "ele-1",
            "severity" : "error",
            "human" : "All FHIR elements must have a @value or children",
            "expression" : "hasValue() or (children().count() > id.count())",
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        ]
      },
      {
        "id" : "Observation.reference.id",
        "path" : "Observation.reference.id",
        "representation" : [
          "xmlAttr"
        ],
        "short" : "Unique id for inter-element referencing",
        "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Element.id",
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          "max" : "1"
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        "type" : [
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            "extension" : [
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
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            ],
            "code" : "http://hl7.org/fhirpath/System.String"
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        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
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        ]
      },
      {
        "id" : "Observation.reference.extension",
        "path" : "Observation.reference.extension",
        "slicing" : {
          "discriminator" : [
            {
              "type" : "value",
              "path" : "url"
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          ],
          "description" : "Extensions are always sliced by (at least) url",
          "rules" : "open"
        },
        "short" : "Additional content defined by implementations",
        "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias" : [
          "extensions",
          "user content"
        ],
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Element.extension",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
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        ],
        "constraint" : [
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          {
            "key" : "ext-1",
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        "mapping" : [
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      {
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        "min" : 1,
        "max" : "1",
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        "type" : [
          {
            "code" : "code"
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        ]
      },
      {
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        "max" : "1",
        "base" : {
          "path" : "Observation.reference.seperatableInd",
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        ]
      },
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        "id" : "Observation.reference.externalAct",
        "path" : "Observation.reference.externalAct",
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        "max" : "1",
        "base" : {
          "path" : "Observation.reference.externalAct",
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          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ExternalAct"
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        ]
      },
      {
        "id" : "Observation.reference.externalObservation",
        "path" : "Observation.reference.externalObservation",
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        "max" : "1",
        "base" : {
          "path" : "Observation.reference.externalObservation",
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          "max" : "1"
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        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ExternalObservation"
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        ]
      },
      {
        "id" : "Observation.reference.externalProcedure",
        "path" : "Observation.reference.externalProcedure",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.reference.externalProcedure",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ExternalProcedure"
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        ]
      },
      {
        "id" : "Observation.reference.externalDocument",
        "path" : "Observation.reference.externalDocument",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Observation.reference.externalDocument",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ExternalDocument"
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        ]
      },
      {
        "id" : "Observation.precondition",
        "path" : "Observation.precondition",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.precondition",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Precondition"
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        ]
      },
      {
        "id" : "Observation.referenceRange",
        "path" : "Observation.referenceRange",
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Observation.referenceRange",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Element"
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        ],
        "constraint" : [
          {
            "key" : "ele-1",
            "severity" : "error",
            "human" : "All FHIR elements must have a @value or children",
            "expression" : "hasValue() or (children().count() > id.count())",
            "source" : "http://hl7.org/fhir/StructureDefinition/Element"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.id",
        "path" : "Observation.referenceRange.id",
        "representation" : [
          "xmlAttr"
        ],
        "short" : "Unique id for inter-element referencing",
        "definition" : "Unique id for the element within a resource (for internal references). This may be any string value that does not contain spaces.",
        "min" : 0,
        "max" : "1",
        "base" : {
          "path" : "Element.id",
          "min" : 0,
          "max" : "1"
        },
        "type" : [
          {
            "extension" : [
              {
                "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fhir-type",
                "valueUrl" : "string"
              }
            ],
            "code" : "http://hl7.org/fhirpath/System.String"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.extension",
        "path" : "Observation.referenceRange.extension",
        "slicing" : {
          "discriminator" : [
            {
              "type" : "value",
              "path" : "url"
            }
          ],
          "description" : "Extensions are always sliced by (at least) url",
          "rules" : "open"
        },
        "short" : "Additional content defined by implementations",
        "definition" : "May be used to represent additional information that is not part of the basic definition of the element. To make the use of extensions safe and manageable, there is a strict set of governance  applied to the definition and use of extensions. Though any implementer can define an extension, there is a set of requirements that SHALL be met as part of the definition of the extension.",
        "comment" : "There can be no stigma associated with the use of extensions by any application, project, or standard - regardless of the institution or jurisdiction that uses or defines the extensions.  The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.",
        "alias" : [
          "extensions",
          "user content"
        ],
        "min" : 0,
        "max" : "*",
        "base" : {
          "path" : "Element.extension",
          "min" : 0,
          "max" : "*"
        },
        "type" : [
          {
            "code" : "Extension"
          }
        ],
        "constraint" : [
          {
            "key" : "ele-1",
            "severity" : "error",
            "human" : "All FHIR elements must have a @value or children",
            "expression" : "hasValue() or (children().count() > id.count())",
            "source" : "http://hl7.org/fhir/StructureDefinition/Element"
          },
          {
            "key" : "ext-1",
            "severity" : "error",
            "human" : "Must have either extensions or value[x], not both",
            "expression" : "extension.exists() != value.exists()",
            "source" : "http://hl7.org/fhir/StructureDefinition/Extension"
          }
        ],
        "isModifier" : false,
        "isSummary" : false,
        "mapping" : [
          {
            "identity" : "rim",
            "map" : "n/a"
          }
        ]
      },
      {
        "id" : "Observation.referenceRange.typeCode",
        "path" : "Observation.referenceRange.typeCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.referenceRange.typeCode",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "code"
          }
        ],
        "defaultValueCode" : "REFV",
        "fixedCode" : "REFV",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActRelationshipPertains"
        }
      },
      {
        "id" : "Observation.referenceRange.observationRange",
        "path" : "Observation.referenceRange.observationRange",
        "min" : 1,
        "max" : "1",
        "base" : {
          "path" : "Observation.referenceRange.observationRange",
          "min" : 1,
          "max" : "1"
        },
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ObservationRange"
          }
        ]
      }
    ]
  },
  "differential" : {
    "element" : [
      {
        "id" : "Observation",
        "path" : "Observation",
        "min" : 1,
        "max" : "1"
      },
      {
        "id" : "Observation.classCode",
        "path" : "Observation.classCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActClassObservation"
        }
      },
      {
        "id" : "Observation.moodCode",
        "path" : "Observation.moodCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "code"
          }
        ]
      },
      {
        "id" : "Observation.negationInd",
        "path" : "Observation.negationInd",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "boolean"
          }
        ]
      },
      {
        "id" : "Observation.realmCode",
        "path" : "Observation.realmCode",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CS"
          }
        ]
      },
      {
        "id" : "Observation.typeId",
        "path" : "Observation.typeId",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.templateId",
        "path" : "Observation.templateId",
        "definition" : "When valued in an instance, this attribute signals the imposition of a set of template-defined constraints. The value of this attribute provides a unique identifier for the templates in question",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.id",
        "path" : "Observation.id",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/II"
          }
        ]
      },
      {
        "id" : "Observation.code",
        "path" : "Observation.code",
        "representation" : [
          "typeAttr"
        ],
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CD"
          }
        ],
        "binding" : {
          "strength" : "extensible",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ObservationType"
        }
      },
      {
        "id" : "Observation.derivationExpr",
        "path" : "Observation.derivationExpr",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ST"
          }
        ]
      },
      {
        "id" : "Observation.text",
        "path" : "Observation.text",
        "representation" : [
          "typeAttr"
        ],
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ED"
          }
        ]
      },
      {
        "id" : "Observation.statusCode",
        "path" : "Observation.statusCode",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CS"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActStatus"
        }
      },
      {
        "id" : "Observation.effectiveTime",
        "path" : "Observation.effectiveTime",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/IVL-TS"
          }
        ]
      },
      {
        "id" : "Observation.priorityCode",
        "path" : "Observation.priorityCode",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CE"
          }
        ],
        "binding" : {
          "strength" : "extensible",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ActPriority"
        }
      },
      {
        "id" : "Observation.repeatNumber",
        "path" : "Observation.repeatNumber",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/IVL-INT"
          }
        ]
      },
      {
        "id" : "Observation.languageCode",
        "path" : "Observation.languageCode",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CS"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-HumanLanguage"
        }
      },
      {
        "id" : "Observation.value",
        "path" : "Observation.value",
        "representation" : [
          "typeAttr"
        ],
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/BL"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ED"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ST"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CD"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CV"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CE"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/SC"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/II"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/TEL"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/AD"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/EN"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/INT"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/REAL"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/PQ"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/MO"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/TS"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/IVL-PQ"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/IVL-TS"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/PIVL-TS"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/EIVL-TS"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/SXPR-TS"
          },
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/RTO-PQ-PQ"
          }
        ]
      },
      {
        "id" : "Observation.interpretationCode",
        "path" : "Observation.interpretationCode",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CE"
          }
        ],
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ObservationInterpretation"
        }
      },
      {
        "id" : "Observation.methodCode",
        "path" : "Observation.methodCode",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CE"
          }
        ],
        "binding" : {
          "strength" : "extensible",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ObservationMethod"
        }
      },
      {
        "id" : "Observation.targetSiteCode",
        "path" : "Observation.targetSiteCode",
        "definition" : "Drawn from concept domain ActSite",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CD"
          }
        ]
      },
      {
        "id" : "Observation.subject",
        "path" : "Observation.subject",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "Element"
          }
        ]
      },
      {
        "id" : "Observation.subject.typeCode",
        "path" : "Observation.subject.typeCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "defaultValueCode" : "SBJ",
        "fixedCode" : "SBJ",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ParticipationTargetSubject"
        }
      },
      {
        "id" : "Observation.subject.contextControlCode",
        "path" : "Observation.subject.contextControlCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "defaultValueCode" : "OP",
        "fixedCode" : "OP",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ContextControl"
        }
      },
      {
        "id" : "Observation.subject.awarenessCode",
        "path" : "Observation.subject.awarenessCode",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/CE"
          }
        ],
        "binding" : {
          "strength" : "extensible",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-TargetAwareness"
        }
      },
      {
        "id" : "Observation.subject.relatedSubject",
        "path" : "Observation.subject.relatedSubject",
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/RelatedSubject"
          }
        ]
      },
      {
        "id" : "Observation.specimen",
        "path" : "Observation.specimen",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Specimen"
          }
        ]
      },
      {
        "id" : "Observation.performer",
        "path" : "Observation.performer",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Performer2"
          }
        ]
      },
      {
        "id" : "Observation.author",
        "path" : "Observation.author",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Author"
          }
        ]
      },
      {
        "id" : "Observation.informant",
        "path" : "Observation.informant",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "Element"
          }
        ]
      },
      {
        "id" : "Observation.informant.typeCode",
        "path" : "Observation.informant.typeCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "defaultValueCode" : "INF",
        "fixedCode" : "INF",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ParticipationInformationGenerator"
        }
      },
      {
        "id" : "Observation.informant.contextControlCode",
        "path" : "Observation.informant.contextControlCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "code"
          }
        ],
        "defaultValueCode" : "OP",
        "fixedCode" : "OP",
        "binding" : {
          "strength" : "required",
          "valueSet" : "http://terminology.hl7.org/ValueSet/v3-ContextControl"
        }
      },
      {
        "id" : "Observation.informant.assignedEntity",
        "path" : "Observation.informant.assignedEntity",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/AssignedEntity"
          }
        ]
      },
      {
        "id" : "Observation.informant.relatedEntity",
        "path" : "Observation.informant.relatedEntity",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/RelatedEntity"
          }
        ]
      },
      {
        "id" : "Observation.participant",
        "path" : "Observation.participant",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Participant2"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship",
        "path" : "Observation.entryRelationship",
        "min" : 0,
        "max" : "*",
        "type" : [
          {
            "code" : "Element"
          }
        ],
        "constraint" : [
          {
            "key" : "obs-er-1",
            "severity" : "error",
            "human" : "Only one of observation, regionOfInterest, observationMedia, substanceAdministration, supply, procedure, encounter, organizer, and act",
            "expression" : "(observation | regionOfInterest | observationMedia | substanceAdministration | supply | procedure | encounter | organizer | act).count() = 1"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.typeCode",
        "path" : "Observation.entryRelationship.typeCode",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "code"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.inversionInd",
        "path" : "Observation.entryRelationship.inversionInd",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "boolean"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.contextConductionInd",
        "path" : "Observation.entryRelationship.contextConductionInd",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 1,
        "max" : "1",
        "type" : [
          {
            "code" : "boolean"
          }
        ],
        "defaultValueBoolean" : true
      },
      {
        "id" : "Observation.entryRelationship.sequenceNumber",
        "path" : "Observation.entryRelationship.sequenceNumber",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/INT"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.negationInd",
        "path" : "Observation.entryRelationship.negationInd",
        "representation" : [
          "xmlAttr"
        ],
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "boolean"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.seperatableInd",
        "path" : "Observation.entryRelationship.seperatableInd",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/BL"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.observation",
        "path" : "Observation.entryRelationship.observation",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Observation"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.regionOfInterest",
        "path" : "Observation.entryRelationship.regionOfInterest",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/RegionOfInterest"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.observationMedia",
        "path" : "Observation.entryRelationship.observationMedia",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/ObservationMedia"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.substanceAdministration",
        "path" : "Observation.entryRelationship.substanceAdministration",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/SubstanceAdministration"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.supply",
        "path" : "Observation.entryRelationship.supply",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Supply"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.procedure",
        "path" : "Observation.entryRelationship.procedure",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Procedure"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.encounter",
        "path" : "Observation.entryRelationship.encounter",
        "min" : 0,
        "max" : "1",
        "type" : [
          {
            "code" : "http://hl7.org/fhir/cda/StructureDefinition/Encounter"
          }
        ]
      },
      {
        "id" : "Observation.entryRelationship.organizer",
        "path" : "Observation.entryRelationship.organizer",
        "min" : 0,
        "max" : "1",
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          {
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