http://hl7.org/fhir/StructureDefinition/observation-analysis-date-time|5.2.0

The time stamp associated with the generation of the analytical result.
typedestination
baseDefinitionhttp://hl7.org/fhir/StructureDefinition/Extension
typehttp://hl7.org/fhir/StructureDefinition/Extension
Extension.value[x].typehttp://hl7.org/fhir/StructureDefinition/dateTime