| Name | Flags | Card. | Type | Description & Constraints![]() |
|---|---|---|---|---|
| DomainResource | Allergy or Intolerance (generally: Risk of adverse reaction to a substance) | |||
| Σ | 0..* | Identifier | External ids for this item | |
| ?!Σ | 0..1 | code | active | active-confirmed | inactive | resolved | refuted | entered-in-error AllergyIntoleranceStatus (Required) | |
| Σ | 0..1 | code | allergy | intolerance - Underlying mechanism (if known) AllergyIntoleranceType (Required) | |
| Σ | 0..1 | code | food | medication | biologic | environment AllergyIntoleranceCategory (Required) | |
| Σ | 0..1 | code | low | high | unable-to-assess AllergyIntoleranceCriticality (Required) | |
| Σ | 0..1 | CodeableConcept | Allergy or intolerance code AllergyIntolerance Substance/Product, Condition and Negation Codes (Example) | |
| Σ | 1..1 | Reference(Patient) | Who the sensitivity is for | |
| Σ | 0..1 | dateTime | Date record was believed accurate | |
| Σ | 0..1 | Reference(Practitioner | Patient) | Who recorded the sensitivity | |
| Σ | 0..1 | Reference(Patient | RelatedPerson | Practitioner) | Source of the information about the allergy | |
| Σ | 0..1 | dateTime | Date(/time) when manifestations showed | |
| Σ | 0..1 | dateTime | Date(/time) of last known occurrence of a reaction | |
| 0..* | Annotation | Additional text not captured in other fields | ||
| 0..* | BackboneElement | Adverse Reaction Events linked to exposure to substance | ||
| Σ | 0..1 | CodeableConcept | Specific substance or pharmaceutical product considered to be responsible for event Substance Code (Example) | |
| Σ | 0..1 | code | unlikely | likely | confirmed - clinical certainty about the specific substance AllergyIntoleranceCertainty (Required) | |
| Σ | 1..* | CodeableConcept | Clinical symptoms/signs associated with the Event SNOMED CT Clinical Findings (Example) | |
| 0..1 | string | Description of the event as a whole | ||
| Σ | 0..1 | dateTime | Date(/time) when manifestations showed | |
| Σ | 0..1 | code | mild | moderate | severe (of event as a whole) AllergyIntoleranceSeverity (Required) | |
| Σ | 0..1 | CodeableConcept | How the subject was exposed to the substance SNOMED CT Route Codes (Example) | |
| 0..* | Annotation | Text about event not captured in other fields | ||
Documentation for this format | ||||