Extension 
url 
value[x] Binding Description: (example): Codes identifying the reason for the current state of an event.
Documentation for this formatThis is the set of resources that conform to either of the profiles Event status reason (http://hl7.org/fhir/StructureDefinition/event-statusReason) and Event status reason (http://hl7.org/fhir/StructureDefinition/event-statusReason). E.g. what you have to deal with if you get resources conforming to one of them
| Name | Flags | Card. | Type | Description & Constraints Filter: |
|---|---|---|---|---|
| Extension | 0..1 | Reason for current status | ||
| url | 1..1 | uri | identifies the meaning of the extension | |
| value[x] | 1..1 | CodeableConcept | Value of extension Binding Description: (example): Codes identifying the reason for the current state of an event. | |
| Documentation for this format | ||||