## Union of http://hl7.eu/fhir/laboratory/StructureDefinition/observation-certifiedRefMaterialIdentifer and http://hl7.eu/fhir/laboratory/StructureDefinition/observation-certifiedRefMaterialIdentifer

This is the set of resources that conform to either of the profiles Certified Reference Material: Identifier (http://hl7.eu/fhir/laboratory/StructureDefinition/observation-certifiedRefMaterialIdentifer) and Certified Reference Material: Identifier (http://hl7.eu/fhir/laboratory/StructureDefinition/observation-certifiedRefMaterialIdentifer). E.g. what you have to deal with if you get resources conforming to one of them

### Structure

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* |  | Certified Reference Material: Identifier
url |  | 1..1 | uri | identifies the meaning of the extension
value[x] |  | 0..1 | Identifier | Value of extension
Documentation for this format