This page provides more detail on how the web interface displays medication information, which it fetches from the Aggregated FHIR API.
The Manual provides more information on the functionality; this page is aimed at a technical audience who need to understand which FHIR elements are used to populate the information displayed.
FHIR Resources
The web interface populates Medicines from the following FHIR resources:
Overview
The web interface shows a list of medications. These are separated into “Current medicines” and “Past medicines”. A medication is considered to be current unless either of the following are true:
The medication has an End Timestamp which is in the past
The medication Status is INACTIVE
Mappings
Component | MedicationRequest | MedicationStatement |
|---|---|---|
Status This is not shown explicitly, but is included in the logic which determines if the medication is current or past. | status status code mappings (FHIR → PKB):
| status status code mappings (FHIR → PKB):
|
Substance | <conditional> If medicationReference is populated: ??? Else: ??? | |
Start Timestamp | <conditional> If this extension is present: http://nictiz.nl/fhir/StructureDefinition/zib-Medication-PeriodOfUse extension[x]: valuePeriod.start Else: authoredOn | effectivePeriod.start |
End Timestamp | <conditional> If this extension is present: http://nictiz.nl/fhir/StructureDefinition/zib-Medication-PeriodOfUse extension[x]: valuePeriod.end Else: No value. | effectivePeriod.end |
Frequency Text | ||
Frequency Value | ||
Frequency Units | ||
Frequency Priority | ||
Dose Value | First, the active Dosage is determined as follows:
Then, we inspect the active Dosage and retrieve: doseAndRep[0].doseQuantity.value | |
Dose Units | ||
Medication Unit | ||
Instructions | ||