Allergy Intolerance

An allergy/intolerance record represents a patient’s allergy or intolerance to a substance. This includes details about the allergy/intolerance, its clinical status, and any reactions that have occurred. Reference Table: The allergy_intolerance_references table contains normalized references from the allergy/intolerance to other entities. It supports the following reference properties:

patient (required): links to the patient who has the allergy/intolerance
encounter: links to the encounter where the allergy/intolerance was recorded
recorder: links to the practitioner who recorded the allergy/intolerance
asserter: links to the practitioner or patient who asserted the allergy/intolerance

For detailed information about reference table structure and indexing, see the Reference Tables documentation. Allergy Intolerance Table: Primary Keys:

allergy_intolerance_id

Foreign Keys:

patient_id

Column	Data Type	Description
allergy_intolerance_id	varchar	Unique identifier for the allergy/intolerance
patient_id	varchar	Unique identifier for the patient
clinical_status_hl7_code	varchar	HL7 clinical status code
clinical_status_hl7_display	varchar	Human-readable description of clinical status
source_clinical_status_code	varchar	Original clinical status code from source system
source_clinical_status_display	varchar	Original clinical status display from source system
source_clinical_status_system	varchar	Original clinical status system from source system
snomed_code	varchar	SNOMED CT code for the allergy/intolerance
snomed_display	varchar	Human-readable description of SNOMED CT code
source_code_code	varchar	Original coding code from source system
source_code_display	varchar	Original coding display from source system
source_code_system	varchar	Original coding system from source system
onset_date	date	Date when the allergy/intolerance began
meta_source	varchar	Source document filename from FHIR meta.source
data_source_ext	varchar	Integration source of the data, derived from FHIR extension

Related Tables:

Allergy Intolerance Reaction - Records of reactions to the allergy/intolerance
Allergy Intolerance Reaction Manifestation - Records of specific manifestations of reactions

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Allergy Intolerance