{"abstract":false,"baseDefinition":"http://hl7.org/fhir/StructureDefinition/DataType","contact":[{"telecom":[{"system":"url","value":"http://hl7.org/fhir"}]},{"telecom":[{"system":"url","value":"http://www.hl7.org/Special/committees/fiwg"}]}],"date":"2026-03-29T21:54:20+00:00","derivation":"specialization","description":"RatioRange Type: A range of ratios expressed as a low and high numerator and a denominator.","differential":{"element":[{"comment":"The stated low and high value are assumed to have arbitrarily high precision when it comes to determining which values are in the range. I.e. 1.99 is not in the range 2 -> 3.","constraint":[{"expression":"((lowNumerator.exists() or highNumerator.exists()) and denominator.exists()) or (lowNumerator.empty() and highNumerator.empty() and denominator.empty() and extension.exists())","human":"One of lowNumerator or highNumerator and denominator SHALL be present, or all are absent. 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The use of extensions is what allows the FHIR specification to retain a core level of simplicity for everyone.","constraint":[{"expression":"hasValue() or (children().count() > id.count())","human":"All FHIR elements must have a @value or children","key":"ele-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Element"}],"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.","id":"RatioRange.extension","isModifier":false,"isSummary":false,"mapping":[{"identity":"rim","map":"n/a"}],"max":"*","min":0,"path":"RatioRange.extension","short":"Additional content defined by implementations","slicing":{"description":"Extensions are always sliced by (at least) url","discriminator":[{"path":"url","type":"value"}],"rules":"open"},"type":[{"code":"Extension"}]},{"base":{"max":"1","min":0,"path":"RatioRange.lowNumerator"},"comment":"If the low element is missing, the low boundary is not known.","condition":["ratrng-1","ratrng-2"],"constraint":[{"expression":"hasValue() or (children().count() > id.count())","human":"All FHIR elements must have a @value or children","key":"ele-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Element"}],"definition":"The value of the low limit numerator.","id":"RatioRange.lowNumerator","isModifier":false,"isSummary":true,"mapping":[{"identity":"v2","map":"NR.1"},{"identity":"rim","map":"./low"}],"max":"1","min":0,"path":"RatioRange.lowNumerator","short":"Low Numerator limit","type":[{"code":"Quantity","profile":["http://hl7.org/fhir/StructureDefinition/SimpleQuantity"]}]},{"base":{"max":"1","min":0,"path":"RatioRange.highNumerator"},"comment":"If the high element is missing, the high boundary is not known.","condition":["ratrng-1","ratrng-2"],"constraint":[{"expression":"hasValue() or (children().count() > id.count())","human":"All FHIR elements must have a @value or children","key":"ele-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Element"}],"definition":"The value of the high limit numerator.","id":"RatioRange.highNumerator","isModifier":false,"isSummary":true,"mapping":[{"identity":"v2","map":"NR.2"},{"identity":"rim","map":"./high"}],"max":"1","min":0,"path":"RatioRange.highNumerator","short":"High Numerator limit","type":[{"code":"Quantity","profile":["http://hl7.org/fhir/StructureDefinition/SimpleQuantity"]}]},{"base":{"max":"1","min":0,"path":"RatioRange.denominator"},"condition":["ratrng-1"],"constraint":[{"expression":"hasValue() or (children().count() > id.count())","human":"All FHIR elements must have a @value or children","key":"ele-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/Element"}],"definition":"The value of the denominator.","id":"RatioRange.denominator","isModifier":false,"isSummary":true,"max":"1","min":0,"path":"RatioRange.denominator","short":"Denominator value","type":[{"code":"Quantity","profile":["http://hl7.org/fhir/StructureDefinition/SimpleQuantity"]}]}]},"status":"active","text":{"div":"
\r\n\r\n\r\n\r\n
NameFlagsCard.TypeDescription & Constraints\"doco\"
\".\"\".\" RatioRangeΣNElementRange of ratio values
+ Rule: One of lowNumerator or highNumerator and denominator SHALL be present, or all are absent. If all are absent, there SHALL be some extension present
+ Rule: If present, lowNumerator SHALL have a lower value than highNumerator

Elements defined in Ancestors: id, extension
\".\"\".\"\".\" lowNumeratorΣC0..1SimpleQuantityLow Numerator limit
\".\"\".\"\".\" highNumeratorΣC0..1SimpleQuantityHigh Numerator limit
\".\"\".\"\".\" denominatorΣC0..1SimpleQuantityDenominator value

\"doco\" Documentation for this format
","status":"generated"},"type":"RatioRange","url":"http://hl7.org/fhir/StructureDefinition/RatioRange","version":"6.0.0-ballot4"}