Extension 
url 
value[x] Binding: ?? (extensible): Statement about the degree of clinical certainty that a specific substance was the cause of the manifestation in a reaction event.
Documentation for this formatThis is the set of resources that conform to either of the profiles AllergyIntolerance Certainty (http://hl7.org/fhir/StructureDefinition/allergyintolerance-certainty) and AllergyIntolerance Certainty (http://hl7.org/fhir/StructureDefinition/allergyintolerance-certainty). 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 | Certainty that the substance was the cause of the manifestation | ||
| url | 1..1 | uri | identifies the meaning of the extension | |
| value[x] | 1..1 | CodeableConcept | Value of extension Binding: ?? (extensible): Statement about the degree of clinical certainty that a specific substance was the cause of the manifestation in a reaction event. | |
| Documentation for this format | ||||