AllergyIntolerance Constraints: ait-1, ait-2
meta 
implicitRules language Binding: ?? (preferred): A human language.
text This profile does not constrain the narrative in regard to content, language, or traceability to data elements
contained 
extension 
modifierExtension identifier clinicalStatus Binding: ?? (required)
verificationStatus Binding: ?? (required)
type Binding: ?? (required): Identification of the underlying physiological mechanism for a Reaction Risk.
category Binding: ?? (required): Category of an identified substance associated with allergies or intolerances.
criticality Binding: ?? (required): Estimate of the potential clinical harm, or seriousness, of a reaction to an identified substance.
code Binding: ?? (extensible)
patient encounter 
onset[x] 
onsetDateTime onsetAge onsetPeriod onsetRange
onsetString recordedDate recorder asserter lastOccurrence note reaction 
extension modifierExtension substance Binding: ?? (example): Codes defining the type of the substance (including pharmaceutical products).
manifestation Binding: ?? (extensible)
description onset severity Binding: ?? (required): Clinical assessment of the severity of a reaction event as a whole, potentially considering multiple different manifestations.
exposureRoute Binding: ?? (example): A coded concept describing the route or physiological path of administration of a therapeutic agent into or onto the body of a subject.
note Documentation for this format