{"abstract":false,"baseDefinition":"http://hl7.org/fhir/StructureDefinition/BackboneType","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":"RelativeTime Type: RelativeTime expresses a time or time period as relative to the time of an event defined in data types other than dateTime.","differential":{"element":[{"constraint":[{"expression":"contextPath.empty() or contextReference.exists() or contextDefinition.exists()","human":"If RelativeTime has a contextPath, it SHALL have either a contextReference or a contextDefinition","key":"rlt-2","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/RelativeTime"},{"expression":"contextReference.empty() or contextDefinition.empty()","human":"A RelativeTime can have either a contextReference or contextDefinition but not both","key":"rlt-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/RelativeTime"}],"definition":"RelativeTime expresses a time or time period as relative to the time of an event defined in data types other than dateTime.","id":"RelativeTime","max":"*","min":0,"path":"RelativeTime","short":"Expresses a time or time period as relative to the time of an event"},{"condition":["rlt-1"],"definition":"The specific event occurrence or resource context used as a base point (reference point) in time. 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Range is limited to time-valued quantities (Durations).","id":"RelativeTime.offset[x]","isSummary":true,"max":"1","min":0,"path":"RelativeTime.offset[x]","short":"An offset or offset range before (negative values) or after (positive values) the event","type":[{"code":"Duration"},{"code":"Range"}]},{"definition":"Free-text (human-readable) description.","id":"RelativeTime.text","isSummary":true,"max":"1","min":0,"path":"RelativeTime.text","short":"Free-text description","type":[{"code":"string"}]}]},"experimental":false,"extension":[{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status","valueCode":"normative"},{"url":"http://hl7.org/fhir/StructureDefinition/structuredefinition-wg","valueCode":"fhir"}],"fhirVersion":"6.0.0-ballot4","id":"RelativeTime","jurisdiction":[{"coding":[{"code":"001","display":"World","system":"http://unstats.un.org/unsd/methods/m49/m49.htm"}]}],"kind":"complex-type","mapping":[{"identity":"rim","name":"RIM Mapping","uri":"http://hl7.org/v3"}],"name":"RelativeTime","publisher":"HL7 International / FHIR Infrastructure","resourceType":"StructureDefinition","snapshot":{"element":[{"base":{"max":"*","min":0,"path":"RelativeTime"},"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"},{"expression":"contextReference.empty() or contextDefinition.empty()","human":"A RelativeTime can have either a contextReference or contextDefinition but not both","key":"rlt-1","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/RelativeTime"},{"expression":"contextPath.empty() or contextReference.exists() or contextDefinition.exists()","human":"If RelativeTime has a contextPath, it SHALL have either a contextReference or a contextDefinition","key":"rlt-2","severity":"error","source":"http://hl7.org/fhir/StructureDefinition/RelativeTime"}],"definition":"RelativeTime expresses a time or time period as relative to the time of an event defined in data types other than dateTime.","id":"RelativeTime","isModifier":false,"mapping":[{"identity":"rim","map":"n/a"}],"max":"*","min":0,"path":"RelativeTime","short":"Expresses a time or time period as relative to the time of an event"},{"base":{"max":"1","min":0,"path":"Element.id"},"condition":["ele-1"],"definition":"Unique id for the element within a resource (for internal references). 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\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n\r\n
NameFlagsCard.TypeDescription & Constraints\"doco\"
\".\"\".\" RelativeTimeΣNElementExpresses a time or time period as relative to the time of an event
+ Rule: A RelativeTime can have either a contextReference or contextDefinition but not both
+ Rule: If RelativeTime has a contextPath, it SHALL have either a contextReference or a contextDefinition

Elements defined in Ancestors: id, extension, modifierExtension
\".\"\".\"\".\" contextReferenceΣC0..1Reference(Any)The specific event occurrence or resource context used as a base point (reference point) in time
\".\"\".\"\".\" contextDefinitionΣC0..1canonical(ActivityDefinition | EventDefinition | PlanDefinition | ObservationDefinition)The type of event used as a base point
\".\"\".\"\".\" contextPathΣC0..1stringPath to the element defining the basis for the relative time
\".\"\".\"\".\" contextCodeΣ0..1CodeableConceptCoded representation of the event used as a base point (reference point) in time
Binding: RelativeTime Codes (Example)
\".\"\".\"\".\" offset[x]Σ0..1An offset or offset range before (negative values) or after (positive values) the event
\".\"\".\"\".\"\".\" offsetDurationDuration
\".\"\".\"\".\"\".\" offsetRangeRange
\".\"\".\"\".\" textΣ0..1stringFree-text description

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