| Vocabulary Work Group | Maturity Level: 1 | Informative | Use Context: Any | 
URL for this extension:
http://hl7.org/fhir/StructureDefinition/valueset-trusted-expansion
Status: draft. Extension maintained by: HL7
Indicates an authoritative source for performing value set expansions.
Comment:
If the designated "authoritative source" (as specified in the valueset-authoritativeSource extension, if present) is unable to provide a valid expansion, this extension indicates an alternate authoritative source where the value set expansion may be obtained.
Context of Use: Use on Element ID ValueSet
Summary
| Name | Flags | Card. | Type | Description & Constraints![]()  | 
|---|---|---|---|---|
![]()  | 0..* | uri | URL = http://hl7.org/fhir/StructureDefinition/valueset-trusted-expansion trusted-expansion: Indicates an authoritative source for performing value set expansions. Use on Element ID ValueSet  | |
  Documentation for this format | ||||
Full Structure
| Name | Flags | Card. | Type | Description & Constraints![]()  | 
|---|---|---|---|---|
![]()  | 0..* | Extension | URL = http://hl7.org/fhir/StructureDefinition/valueset-trusted-expansion trusted-expansion: Indicates an authoritative source for performing value set expansions. Use on Element ID ValueSet  | |
![]() ![]()  | 0..0 | |||
![]() ![]()  | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/valueset-trusted-expansion" | |
![]() ![]()  | 1..1 | uri | Value of extension | |
  Documentation for this format | ||||
Summary
| Name | Flags | Card. | Type | Description & Constraints![]()  | 
|---|---|---|---|---|
![]()  | 0..* | uri | URL = http://hl7.org/fhir/StructureDefinition/valueset-trusted-expansion trusted-expansion: Indicates an authoritative source for performing value set expansions. Use on Element ID ValueSet  | |
  Documentation for this format | ||||
Full Structure
| Name | Flags | Card. | Type | Description & Constraints![]()  | 
|---|---|---|---|---|
![]()  | 0..* | Extension | URL = http://hl7.org/fhir/StructureDefinition/valueset-trusted-expansion trusted-expansion: Indicates an authoritative source for performing value set expansions. Use on Element ID ValueSet  | |
![]() ![]()  | 0..0 | |||
![]() ![]()  | 1..1 | uri | "http://hl7.org/fhir/StructureDefinition/valueset-trusted-expansion" | |
![]() ![]()  | 1..1 | uri | Value of extension | |
  Documentation for this format | ||||
Constraints