{ "resourceType" : "StructureDefinition", "id" : "Ratio-uv-ips", "language" : "en", "text" : { "status" : "extensions", "div" : "

English

Generated Narrative: StructureDefinition Ratio-uv-ips

Language: en

\r\n
NameFlagsCard.TypeDescription & Constraints\"doco\"
\".\"\".\" Ratio 0..*Ratio(5.0.0)A ratio of two Quantity values - a numerator and a denominator

\"doco\" Documentation for this format
" }, "url" : "http://hl7.org/fhir/uv/ips/StructureDefinition/Ratio-uv-ips", "version" : "1.1.0", "name" : "RatioIPS", "title" : "Ratio (IPS)", "status" : "draft", "date" : "2026-03-29T14:03:13+00:00", "publisher" : "Lithuanian Medical Library", "contact" : [{ "name" : "Lithuanian Medical Library", "telecom" : [{ "system" : "url", "value" : "https://medicinosnk.lt" }, { "system" : "email", "value" : "info@medicinosnk.lt" }] }], "description" : "Ratio data type, constrained to use UCUM as the code system for units.", "jurisdiction" : [{ "coding" : [{ "system" : "urn:iso:std:iso:3166", "code" : "EU" }] }], "purpose" : "Allow only UCUM as the code system for units.", "fhirVersion" : "5.0.0", "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/Ratio|5.0.0", "derivation" : "constraint", "snapshot" : { "extension" : [{ "url" : "http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version", "valueString" : "5.0.0" }], "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" : "*" }, "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|5.0.0" }, { "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.exists() and denominator.exists()) or (numerator.empty() and denominator.empty() and extension.exists())", "source" : "http://hl7.org/fhir/StructureDefinition/Ratio|5.0.0" }], "isModifier" : false, "mapping" : [{ "identity" : "rim", "map" : "n/a,RTO" }, { "identity" : "v2", "map" : "N/A" }] }, { "id" : "Ratio.id", "path" : "Ratio.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" : "id" }], "code" : "http://hl7.org/fhirpath/System.String" }], "condition" : ["ele-1"], "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 managable, 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|5.0.0" }, { "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|5.0.0" }], "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" }], "condition" : ["rat-1"], "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|5.0.0" }], "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", "profile" : ["http://hl7.org/fhir/StructureDefinition/SimpleQuantity|5.0.0"] }], "condition" : ["rat-1"], "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|5.0.0" }], "isModifier" : false, "isSummary" : true, "mapping" : [{ "identity" : "rim", "map" : ".denominator" }] }] }, "differential" : { "element" : [{ "id" : "Ratio", "path" : "Ratio" }] } }