Clinical Document Architecture, published by Health Level 7. This guide is not an authorized publication; it is the continuous build for version 2.0.0-sd built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/CDA-core-sd/ and changes regularly. See the Directory of published versions

Active as of 2024-10-25 |

JSON representation of the REAL logical model.

```
{
"resourceType" : "StructureDefinition",
"id" : "REAL",
"text" : {
"status" : "generated",
"div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\">\n <p>Fractional numbers. Typically used whenever quantities are measured, estimated, or computed from other real numbers. The typical representation is decimal, where the number of significant decimal digits is known as the precision. Real numbers are needed beyond integers whenever quantities of the real world are measured, estimated, or computed from other real numbers. The term "Real number" in this specification is used to mean that fractional values are covered without necessarily implying the full set of the mathematical real numbers.</p>\n </div>"
},
"extension" : [
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/logical-target",
"_valueBoolean" : {
"extension" : [
{
"url" : "http://hl7.org/fhir/StructureDefinition/data-absent-reason",
"valueCode" : "not-applicable"
}
]
}
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/xml-namespace",
"valueUri" : "urn:hl7-org:v3"
},
{
"url" : "http://hl7.org/fhir/tools/StructureDefinition/logical-container",
"valueUri" : "http://hl7.org/cda/stds/core/StructureDefinition/ClinicalDocument"
}
],
"url" : "http://hl7.org/cda/stds/core/StructureDefinition/REAL",
"version" : "2.0.0-sd",
"name" : "REAL",
"title" : "REAL: RealNumber (V3 Data Type)",
"status" : "active",
"experimental" : false,
"date" : "2024-10-25T20:25:09+00:00",
"publisher" : "Health Level 7",
"contact" : [
{
"name" : "HL7 International - Structured Documents",
"telecom" : [
{
"system" : "url",
"value" : "http://www.hl7.org/Special/committees/structure"
},
{
"system" : "email",
"value" : "structdog@lists.HL7.org"
}
]
}
],
"description" : "Fractional numbers. Typically used whenever quantities are measured, estimated, or computed from other real numbers. The typical representation is decimal, where the number of significant decimal digits is known as the precision.",
"fhirVersion" : "5.0.0",
"mapping" : [
{
"identity" : "rim",
"uri" : "http://hl7.org/v3",
"name" : "RIM Mapping"
}
],
"kind" : "logical",
"abstract" : false,
"type" : "http://hl7.org/cda/stds/core/StructureDefinition/REAL",
"baseDefinition" : "http://hl7.org/cda/stds/core/StructureDefinition/QTY",
"derivation" : "specialization",
"snapshot" : {
"element" : [
{
"id" : "REAL",
"path" : "REAL",
"short" : "Base for all types and resources",
"definition" : "Fractional numbers. Typically used whenever quantities are measured, estimated, or computed from other real numbers. The typical representation is decimal, where the number of significant decimal digits is known as the precision. Real numbers are needed beyond integers whenever quantities of the real world are measured, estimated, or computed from other real numbers. The term \"Real number\" in this specification is used to mean that fractional values are covered without necessarily implying the full set of the mathematical real numbers.",
"min" : 1,
"max" : "*",
"base" : {
"path" : "Base",
"min" : 0,
"max" : "*"
},
"constraint" : [
{
"key" : "value-null",
"severity" : "error",
"human" : "value and nullFlavor are mutually exclusive (one must be present)",
"expression" : "(value | nullFlavor).count() = 1"
}
],
"isModifier" : false,
"mapping" : [
{
"identity" : "rim",
"map" : "n/a"
}
]
},
{
"id" : "REAL.nullFlavor",
"path" : "REAL.nullFlavor",
"representation" : [
"xmlAttr"
],
"label" : "Exceptional Value Detail",
"definition" : "If a value is an exceptional value (NULL-value), this specifies in what way and why proper information is missing.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "ANY.nullFlavor",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "code",
"profile" : [
🔗 "http://hl7.org/cda/stds/core/StructureDefinition/cs-simple"
]
}
],
"binding" : {
"strength" : "required",
"valueSet" : "http://hl7.org/cda/stds/core/ValueSet/CDANullFlavor"
}
},
{
"id" : "REAL.value",
"path" : "REAL.value",
"representation" : [
"xmlAttr"
],
"min" : 0,
"max" : "1",
"base" : {
"path" : "REAL.value",
"min" : 0,
"max" : "1"
},
"type" : [
{
"code" : "decimal",
"profile" : [
🔗 "http://hl7.org/cda/stds/core/StructureDefinition/real-simple"
]
}
]
}
]
},
"differential" : {
"element" : [
{
"id" : "REAL",
"path" : "REAL",
"definition" : "Fractional numbers. Typically used whenever quantities are measured, estimated, or computed from other real numbers. The typical representation is decimal, where the number of significant decimal digits is known as the precision. Real numbers are needed beyond integers whenever quantities of the real world are measured, estimated, or computed from other real numbers. The term \"Real number\" in this specification is used to mean that fractional values are covered without necessarily implying the full set of the mathematical real numbers.",
"min" : 1,
"max" : "*",
"constraint" : [
{
"key" : "value-null",
"severity" : "error",
"human" : "value and nullFlavor are mutually exclusive (one must be present)",
"expression" : "(value | nullFlavor).count() = 1"
}
]
},
{
"id" : "REAL.value",
"path" : "REAL.value",
"representation" : [
"xmlAttr"
],
"min" : 0,
"max" : "1",
"type" : [
{
"code" : "decimal",
"profile" : [
🔗 "http://hl7.org/cda/stds/core/StructureDefinition/real-simple"
]
}
]
}
]
}
}
```