Skip to content

AllergyIntolerance Profile

Canonical../StructureDefinition/nexus-emr-core-allergyintolerance
Statusdraft · 1.26.0
BaseAllergyIntolerance (constraint)
SourceFSH · JSON

Defines the Nexus EMR standard for AllergyIntolerance resources, based on CA-Core+. Includes instance-specific Nexus EMR identifiers, references via identifier (CII E01).

Elements / Differential

What this profile constrains beyond AllergyIntolerance. Anything not listed is unchanged from the base; muted type/cardinality values are the base's, shown for context.

Element Flags Card. Type Description & Constraints
AllergyIntolerance Nexus EMR Allergy Intolerance Core i
Invariants: nexus-note-extension-not-where-native
meta 0..1 Meta
source S 0..1 uri Identifies EMR instance & pipeline version the resource came from i
text S 0..1 Narrative Narrative i
identifier S 0..* Identifier Business identifier(s) for allergyintolerance i
system 1..1 uri i
value 1..1 string i
clinicalStatus S 0..1 CodeableConcept Whether the allergy is still current i
Binding: allergyintolerance-clinical (required)
type 0..1 code Whether the reaction is immune-mediated (allergy) or not (intolerance) i
category 0..* code The kind of substance the reaction is to i
criticality 0..1 code The risk that a future exposure causes serious harm i
code S 1..1 CodeableConcept Allergen/substance with raw code support i
coding 0..* Coding i
Slicing: value:system (open)
coding:ccdd S 0..* Coding CCDD coding -- the ingredient-level drug allergen (system slot only; codes not enumerated) i
system 1..1 uri i
Fixed: http://terminology.hl7.org/CodeSystem/hc-CCDD
code 1..1 code
coding:atc S 0..* Coding ATC coding -- coarser ingredient-level allergen grouping (system slot only; codes not enumerated) i
system 1..1 uri i
Fixed: http://www.whocc.no/atc
code 1..1 code
coding:aigc S 0..* Coding DPD active-ingredient group CODE (AIGC, 5 digits) -- strength dropped, which is what an allergy means i
system 1..1 uri i
Fixed: http://terminology.hl7.org/CodeSystem/v3-hc-aigc
code 1..1 code
text S 1..1 string Human-readable allergen description (required) i
patient S 1..1 Reference(Patient) Who the allergy or intolerance is for i
encounter S 0..1 Reference(Encounter) Encounter when allergy was recorded i
recordedDate S 1..1 dateTime Date allergy was first recorded i
note S 0..* Annotation Clinical comments on the allergy or intolerance -- one whole comment per repeat i
reaction 0..* BackboneElement
severity 0..1 code How severe the reaction event was overall i