{"abstract":false,"base":"http://hl7.org/fhir/StructureDefinition/Extension","constrainedType":"Extension","contact":[{"telecom":[{"system":"other","value":"http://hl7.org"}]}],"context":["DataElement"],"contextType":"resource","date":"2014-04-21","description":"Identifies the date on which the element became (or is expected to become) active and the date on which the element became (or is expected to become) retired.","differential":{"element":[{"definition":"Identifies the date on which the element became (or is expected to become) active and the date on which the element became (or is expected to become) retired.","mapping":[{"identity":"rim","map":".effectiveTime[IVL<TS>]"},{"identity":"iso11179","map":"start = Registration_State.effective_date\nend = Registration_State.until_date"}],"max":"1","min":0,"path":"Extension","short":"When data element is \"valid\"","type":[{"code":"Extension"}]},{"max":"0","name":"extension","path":"Extension.extension"},{"fixedUri":"http://hl7.org/fhir/StructureDefinition/11179-de-effective-period","path":"Extension.url","type":[{"code":"uri"}]},{"min":1,"path":"Extension.value[x]","type":[{"code":"Period"}]}]},"display":"Effective time","fhirVersion":"1.1.0","id":"11179-de-effective-period","kind":"datatype","mapping":[{"identity":"rim","name":"RIM","uri":"http://hl7.org/v3"},{"identity":"iso11179","name":"ISO 11179","uri":"http://metadata-standards.org/11179/"}],"name":"When data element is \"valid\"","publisher":"Health Level Seven International (Orders and Observations)","resourceType":"StructureDefinition","snapshot":{"element":[{"base":{"max":"*","min":0,"path":"Extension"},"definition":"Identifies the date on which the element became (or is expected to become) active and the date on which the element became (or is expected to become) retired.","mapping":[{"identity":"rim","map":".effectiveTime[IVL<TS>]"},{"identity":"iso11179","map":"start = Registration_State.effective_date\nend = Registration_State.until_date"}],"max":"1","min":0,"path":"Extension","short":"When data element is \"valid\"","type":[{"code":"Extension"}]},{"base":{"max":"1","min":0,"path":"Extension.id"},"definition":"unique id for the element within a resource (for internal references).","mapping":[{"identity":"rim","map":"n/a"}],"max":"1","min":0,"path":"Extension.id","representation":["xmlAttr"],"short":"xml:id (or equivalent in JSON)","type":[{"code":"id"}]},{"base":{"max":"*","min":0,"path":"Extension.extension"},"definition":"An Extension","max":"0","min":0,"name":"extension","path":"Extension.extension","short":"Extension","type":[{"code":"Extension"}]},{"base":{"max":"1","min":1,"path":"Extension.url"},"comments":"The definition may point directly to a computable or human-readable definition of the extensibility codes, or it may be a logical URI as declared in some other specification. The definition should be version specific.  This will ideally be the URI for the Resource Profile defining the extension, with the code for the extension after a #.","definition":"Source of the definition for the extension code - a logical name or a URL.","fixedUri":"http://hl7.org/fhir/StructureDefinition/11179-de-effective-period","mapping":[{"identity":"rim","map":"N/A"}],"max":"1","min":1,"path":"Extension.url","representation":["xmlAttr"],"short":"identifies the meaning of the extension","type":[{"code":"uri"}]},{"base":{"max":"1","min":0,"path":"Extension.value[x]"},"definition":"Value of extension - may be a resource or one of a constrained set of the data types (see Extensibility in the spec for list).","mapping":[{"identity":"rim","map":"N/A"}],"max":"1","min":1,"path":"Extension.valuePeriod","short":"Value of extension","type":[{"code":"Period"}]}]},"status":"draft","url":"http://hl7.org/fhir/StructureDefinition/11179-de-effective-period"}