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Figure 7: Patient Care Domain Analysis Model
Selected attribute definitions
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Figure 8: Structure of the AllergyIntolerance HL7 FHIR resource as in HL7® FHIR® v4.3.0: R4B - STU (From http://www.hl7.org/fhir/allergyintolerance.html, consulted on 2nd September 2022).
The scope of this resource is to "Record of a clinical assessment of an allergy or intolerance; a propensity, or a potential risk to an individual, to have an adverse reaction on future exposure to the specified substance, or class of substance.
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Figure 9: Structure of the Observation HL7 FHIR resource as in HL7® FHIR® v4.3.0: R4B - STU (From http://www.hl7.org/fhir/observation.html, consulted on 2nd September 2022).
Observations in general are a central element in healthcare, used to support diagnosis, monitor progress, determine baselines and patterns and even capture demographic characteristics. Most observations are simple name/value pair assertions with some metadata, but some observations group other observations together logically, or even are multi-component observations. Note that the DiagnosticReport resource provides a clinical or workflow context for a set of observations and the Observation resource is referenced by DiagnosticReport to represent laboratory, imaging, and other clinical and diagnostic data to form a complete report. In the context of allergies, it can be used to present allergy test results.
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Figure 10: Structure of the Observation HL7 FHIR resource as in HL7® FHIR® v4.3.0: R4B - STU (From http://www.hl7.org/fhir/condition.html, consulted on 2nd September 2022)
This resource is used to record detailed information about a condition, problem, diagnosis, or other event, situation, issue, or clinical concept that has risen to a level of concern. The condition could be a point in time diagnosis in the context of an encounter, it could be an item on the practitioner’s Problem List, or it could be an additional concern that does not exist on the practitioner’s Problem List. Often a condition is about a clinician's assessment and assertion of a particular aspect of a patient's state of health. It can be used to record information about a disease/illness identified from application of clinical reasoning over the pathologic and pathophysiologic findings (diagnosis), or identification of health issues/situations that a practitioner considers harmful or potentially harmful and may be investigated and managed (problem), or another health issue/situation that may require ongoing monitoring and/or management (health issue/concern).
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