Extension 
url 
value[x] Binding Description: (example): A coded representation for a string. Could be codes for country in a country address part, codes for prefixes in a name part, etc.
Documentation for this formatThis is the set of resources that conform to either of the profiles Coded string (http://hl7.org/fhir/StructureDefinition/iso21090-codedString) and Coded string (http://hl7.org/fhir/StructureDefinition/iso21090-codedString). 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..* | code for string | ||
| url | 1..1 | uri | identifies the meaning of the extension | |
| value[x] | 1..1 | Coding | Value of extension Binding Description: (example): A coded representation for a string. Could be codes for country in a country address part, codes for prefixes in a name part, etc. | |
| Documentation for this format | ||||