| # | Name | Source | Ver | Description | |
| 1 | Abatement | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | The date or estimated date that the allergy or intolerance resolved. This is called abatement because of the many overloaded connotations associated with resolution. | |
| 2 | Allergy abatement date | hl7.fhir.uv.ips#current | R4 | Extension defined by the IPS project to describe the abatement date for allergies | |
| 3 | AllergyIntolerance Administration | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Link to an actual medication administration record with the full details of the administration, if a link is known. | |
| 4 | AllergyIntolerance AssertedDate | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | The date on which the existence of the AllergyIntolerance was first asserted or acknowledged. | |
| 5 | AllergyIntolerance Careplan | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Additional details about the clinical management provided for this Reaction Event. | |
| 6 | AllergyIntolerance Certainty | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Statement about the degree of clinical certainty that the specific substance was the cause of the manifestation in this reaction event. | |
| 7 | AllergyIntolerance Duration | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | The amount of time that the Adverse Reaction persisted. | |
| 8 | AllergyIntolerance Exposure Date | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Record of the date and/or time of the first exposure to the Substance for this Reaction Event. | |
| 9 | AllergyIntolerance Exposure Duration | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | The amount of time the individual was exposed to the Substance. | |
| 10 | AllergyIntolerance ExposureDescription | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Text description about exposure to the Substance. | |
| 11 | AllergyIntolerance Location | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | The anatomical location / body site(s) where the symptoms manifested. | |
| 12 | AllergyIntolerance Management | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | Text description about the clinical management provided. | |
| 13 | AllergyIntolerance Reason Refuted | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | A code capturing the explanation of why the allergy or intolerance has been refuted. Should be specified only if the status is refuted. | |
| 14 | AllergyIntolerance Resolution Age | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | The estimated patient age at which the allergy or intolerance resolved. Should be specified only if the status is resolved. | |
| 15 | AllergyIntolerance Substance Exposure Risk | hl7.fhir.uv.extensions.r4#1.0.0 | R4 | A complex extension allowing structured capture of the exposure risk of the patient for an adverse reaction (allergy or intolerance) to the specified substance/product. | |
| 16 | CH VACD Extension Merging Conflict Entry Reference | ch.fhir.ig.ch-vacd#current | R4 | Extension to make a reference to an entry conflicting with other entries. | |
| 17 | Extension UK Core Allergy Intolerance End | fhir.r4.ukcore.stu1#1.0.4 | R4 | Supports the date when the allergy or intolerance was no longer valid, and/or, the reason why the allergy or intolerance is no longer valid. | |
| 18 | Extension UK Core Evidence | fhir.r4.ukcore.stu1#1.0.4 | R4 | A reference to results of investigations that confirmed the certainty of the diagnosis. Examples might include results of skin prick allergy tests. | |
| 19 | HL7 v2 Message | nz.central.ihub.ig#current | R4 | Base64 encoded string containing the original HL7 v2 message that was used to create / update the FHIR resource | |
| 20 | NZ Central Region Alert | nz.central.ihub.ig#current | R4 | Complex extension recording meta data about all alerts, on who recorded the [Flag](./StructureDefinition-NZCentralRegionFlag.html) and [AllergyIntolerance](./StructureDefinition-NZCentralRegionAllergyIntolerance.html) flavours of Alert and when. |
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | |
| Extension | C D | C D | C D | C D | C D | C D | C D | C D | C D | C D | C D | C D | C D | C I D | D | C D | D | D | D | |
| Extension.id | C | |||||||||||||||||||
| Extension.valueDateTime | ||||||||||||||||||||
| Extension.extension | C | C | C | C | C | C | C | C | C | C | C | C | C | S C D (2) | S C D (3) | S C D (3) | C | S C D (9) | ||
| Extension.extension.id | C (8) | |||||||||||||||||||
| Extension.extension.value[x] | C B M (2) | S C B M (4) | C D (2) | C B M (8) | ||||||||||||||||
| Extension.extension.value[x].userSelected | C | |||||||||||||||||||
| Extension.extension.value[x].version | C | |||||||||||||||||||
| Extension.extension.value[x].extension | C | |||||||||||||||||||
| Extension.extension.value[x].id | C | |||||||||||||||||||
| Extension.extension.url | F (2) | F (2) | F (2) | F (8) | ||||||||||||||||
| Extension.extension.extension | C (2) | C (2) | C (8) | |||||||||||||||||
| Extension.url | F | F | F | F | F | F | F | F | F | F | F | F | F | F | F | F | F | F | F | F |
| Extension.value[x] | C | C | C | C | C B M | C | C | C | C | C B M | C | C | C | C | C | C | C D | C | ||
| Extension.value[x].identifier | ||||||||||||||||||||
| Extension.value[x].identifier.assigner |
Produced 08 Sep 2023