Foundation
This
page
is
part
of
the
FHIR
Specification
(v3.0.2:
STU
3).
(v3.5.0:
R4
Ballot
#2).
The
current
version
which
supercedes
this
version
is
5.0.0
.
For
a
full
list
of
available
versions,
see
the
Directory
of
published
versions
.
Page
versions:
R5
R4B
R4
R3
R2
| Modeling and Methodology Work Group | Maturity Level : N/A | Ballot Status : Informative |
Raw JSON ( canonical form + also see JSON Format Specification )
StructureDefinition for Ratio
{
"resourceType": "StructureDefinition",
"id": "Ratio",
"meta": {
"lastUpdated": "2019-10-24T11:53:00+11:00"
"resourceType" : "StructureDefinition",
"id" : "Ratio",
"meta" : {
"lastUpdated" : "2018-08-19T21:48:56.559+10:00"
},
"text": {
"status": "generated",
"div": "<div>!-- Snipped for Brevity --></div>"
"text" : {
"status" : "generated",
"div" : "<div>!-- Snipped for Brevity --></div>"
},
"url": "http://hl7.org/fhir/StructureDefinition/Ratio",
"name": "Ratio",
"status": "draft",
"date": "2019-10-24T11:53:00+11:00",
"publisher": "HL7 FHIR Standard",
"contact": [
{
"telecom": [
{
"system": "url",
"value": "http://hl7.org/fhir"
}
]
}
],
"description": "Base StructureDefinition for Ratio Type",
"purpose": "Need to able to capture ratios for some measurements (titers) and some rates (costs).",
"fhirVersion": "3.0.2",
"mapping": [
{
"identity": "v2",
"uri": "http://hl7.org/v2",
"name": "HL7 v2 Mapping"
},
{
"identity": "rim",
"uri": "http://hl7.org/v3",
"name": "RIM Mapping"
}
],
"kind": "complex-type",
"abstract": false,
"type": "Ratio",
"baseDefinition": "http://hl7.org/fhir/StructureDefinition/Element",
"derivation": "specialization",
"snapshot": {
"element": [
{
"id": "Ratio",
"path": "Ratio",
"short": "A ratio of two Quantity values - a numerator and a denominator",
"definition": "A relationship of two Quantity values - expressed as a numerator and a denominator.",
"min": 0,
"max": "*",
"condition": [
"ele-1"
],
"constraint": [
{
"key": "ele-1",
"severity": "error",
"human": "All FHIR elements must have a @value or children",
"expression": "hasValue() | (children().count() > id.count())",
"xpath": "@value|f:*|h:div",
"source": "Element"
},
{
"key": "rat-1",
"severity": "error",
"human": "Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present",
"expression": "(numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())",
"xpath": "(count(f:numerator) = count(f:denominator)) and ((count(f:numerator) > 0) or (count(f:extension) > 0))"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
},
{
"identity": "v2",
"map": "N/A"
},
{
"identity": "rim",
"map": "RTO"
}
]
"extension" : [{
"url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
"valueString" : "Normative"
}],
"url" : "http://hl7.org/fhir/StructureDefinition/Ratio",
"name" : "Ratio",
"status" : "draft",
"date" : "2018-08-19T21:48:56+10:00",
"publisher" : "HL7 FHIR Standard",
"contact" : [{
"telecom" : [{
"system" : "url",
"value" : "http://hl7.org/fhir"
}]
}],
"description" : "Base StructureDefinition for Ratio Type: A relationship of two Quantity values - expressed as a numerator and a denominator.",
"purpose" : "Need to able to capture ratios for some measurements (titers) and some rates (costs).",
"fhirVersion" : "3.5.0",
"mapping" : [{
"identity" : "v2",
"uri" : "http://hl7.org/v2",
"name" : "HL7 v2 Mapping"
},
{
"identity" : "rim",
"uri" : "http://hl7.org/v3",
"name" : "RIM Mapping"
}],
"kind" : "complex-type",
"abstract" : false,
"type" : "Ratio",
"baseDefinition" : "http://hl7.org/fhir/StructureDefinition/Element",
"derivation" : "specialization",
"snapshot" : {
"element" : [{
"id" : "Ratio",
"path" : "Ratio",
"short" : "A ratio of two Quantity values - a numerator and a denominator",
"definition" : "A relationship of two Quantity values - expressed as a numerator and a denominator.",
"comment" : "The Ratio datatype should only be used to express a relationship of two numbers if the relationship cannot be suitably expressed using a Quantity and a common unit. Where the denominator value is known to be fixed to \"1\", Quantity should be used instead of Ratio.",
"min" : 0,
"max" : "*",
"base" : {
"path" : "Ratio",
"min" : 0,
"max" : "*"
},
{
"id": "Ratio.id",
"path": "Ratio.id",
"representation": [
"xmlAttr"
],
"short": "xml:id (or equivalent in JSON)",
"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": [
{
"code": "string"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
"condition" : ["ele-1"],
"constraint" : [{
"key" : "ele-1",
"severity" : "error",
"human" : "All FHIR elements must have a @value or children",
"expression" : "hasValue() or (children().count() > id.count())",
"xpath" : "@value|f:*|h:div",
"source" : "Element"
},
{
"id": "Ratio.extension",
"path": "Ratio.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. In order 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 is allowed to 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"
}
],
"mapping": [
{
"identity": "rim",
"map": "n/a"
}
]
"key" : "rat-1",
"severity" : "error",
"human" : "Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present",
"expression" : "(numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())",
"xpath" : "(count(f:numerator) = count(f:denominator)) and ((count(f:numerator) > 0) or (count(f:extension) > 0))"
}],
"isModifier" : false,
"mapping" : [{
"identity" : "rim",
"map" : "n/a"
},
{
"id": "Ratio.numerator",
"path": "Ratio.numerator",
"short": "Numerator value",
"definition": "The value of the numerator.",
"min": 0,
"max": "1",
"type": [
{
"code": "Quantity"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": ".numerator"
}
]
"identity" : "v2",
"map" : "N/A"
},
{
"id": "Ratio.denominator",
"path": "Ratio.denominator",
"short": "Denominator value",
"definition": "The value of the denominator.",
"min": 0,
"max": "1",
"type": [
{
"code": "Quantity"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": ".denominator"
}
]
}
]
},
"differential": {
"element": [
{
"id": "Ratio",
"path": "Ratio",
"short": "A ratio of two Quantity values - a numerator and a denominator",
"definition": "A relationship of two Quantity values - expressed as a numerator and a denominator.",
"min": 0,
"max": "*",
"constraint": [
{
"key": "rat-1",
"severity": "error",
"human": "Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present",
"expression": "(numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())",
"xpath": "(count(f:numerator) = count(f:denominator)) and ((count(f:numerator) > 0) or (count(f:extension) > 0))"
}
],
"mapping": [
{
"identity": "v2",
"map": "N/A"
},
{
"identity": "rim",
"map": "RTO"
}
]
"identity" : "rim",
"map" : "RTO"
}]
},
{
"id" : "Ratio.id",
"path" : "Ratio.id",
"representation" : ["xmlAttr"],
"short" : "xml:id (or equivalent in JSON)",
"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"
},
{
"id": "Ratio.numerator",
"path": "Ratio.numerator",
"short": "Numerator value",
"definition": "The value of the numerator.",
"min": 0,
"max": "1",
"type": [
{
"code": "Quantity"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": ".numerator"
}
]
"type" : [{
"code" : "string"
}],
"isModifier" : false,
"isSummary" : false,
"mapping" : [{
"identity" : "rim",
"map" : "n/a"
}]
},
{
"id" : "Ratio.extension",
"path" : "Ratio.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"
}],
"isModifier" : false,
"isSummary" : false,
"mapping" : [{
"identity" : "rim",
"map" : "n/a"
}]
},
{
"id" : "Ratio.numerator",
"path" : "Ratio.numerator",
"short" : "Numerator value",
"definition" : "The value of the numerator.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "Ratio.numerator",
"min" : 0,
"max" : "1"
},
"type" : [{
"code" : "Quantity"
}],
"isModifier" : false,
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : ".numerator"
}]
},
{
"id" : "Ratio.denominator",
"path" : "Ratio.denominator",
"short" : "Denominator value",
"definition" : "The value of the denominator.",
"min" : 0,
"max" : "1",
"base" : {
"path" : "Ratio.denominator",
"min" : 0,
"max" : "1"
},
"type" : [{
"code" : "Quantity"
}],
"isModifier" : false,
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : ".denominator"
}]
}]
},
"differential" : {
"element" : [{
"id" : "Ratio",
"path" : "Ratio",
"short" : "A ratio of two Quantity values - a numerator and a denominator",
"definition" : "A relationship of two Quantity values - expressed as a numerator and a denominator.",
"comment" : "The Ratio datatype should only be used to express a relationship of two numbers if the relationship cannot be suitably expressed using a Quantity and a common unit. Where the denominator value is known to be fixed to \"1\", Quantity should be used instead of Ratio.",
"min" : 0,
"max" : "*",
"constraint" : [{
"key" : "rat-1",
"severity" : "error",
"human" : "Numerator and denominator SHALL both be present, or both are absent. If both are absent, there SHALL be some extension present",
"expression" : "(numerator.empty() xor denominator.exists()) and (numerator.exists() or extension.exists())",
"xpath" : "(count(f:numerator) = count(f:denominator)) and ((count(f:numerator) > 0) or (count(f:extension) > 0))"
}],
"mapping" : [{
"identity" : "v2",
"map" : "N/A"
},
{
"id": "Ratio.denominator",
"path": "Ratio.denominator",
"short": "Denominator value",
"definition": "The value of the denominator.",
"min": 0,
"max": "1",
"type": [
{
"code": "Quantity"
}
],
"isSummary": true,
"mapping": [
{
"identity": "rim",
"map": ".denominator"
}
]
}
]
"identity" : "rim",
"map" : "RTO"
}]
},
{
"id" : "Ratio.numerator",
"path" : "Ratio.numerator",
"short" : "Numerator value",
"definition" : "The value of the numerator.",
"min" : 0,
"max" : "1",
"type" : [{
"code" : "Quantity"
}],
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : ".numerator"
}]
},
{
"id" : "Ratio.denominator",
"path" : "Ratio.denominator",
"short" : "Denominator value",
"definition" : "The value of the denominator.",
"min" : 0,
"max" : "1",
"type" : [{
"code" : "Quantity"
}],
"isSummary" : true,
"mapping" : [{
"identity" : "rim",
"map" : ".denominator"
}]
}]
}
}
Usage note: every effort has been made to ensure that the examples are correct and useful, but they are not a normative part of the specification.
®©
HL7.org
2011+.
FHIR
Release
3
(STU;
v3.0.2-11200)
Mixed
Nomative/Trial
Use
Ballot
#2
(v3.5.0-14907)
generated
on
Thurs,
Oct
24,
2019
11:53+1100.
Sun,
Aug
19,
2018
21:52+1000.
QA
Page
Links:
Search
|
Version
History
|
Table
of
Contents
|
Credits
|
Compare
to
DSTU2
DSTU3
|
Ballot
Comparison
|
|
Propose
a
change