Implementation Guide
ePA Medication Service
Version 1.2.0-ballot.2 - draft

## SearchParameter: BasedOnEMPSP

Official URL: https://gematik.de/fhir/epa-medication/SearchParameter/based-on-emp-sp | Version: 1.2.0-ballot.2
Draft as of 2025-09-02 | Computable Name: IsEMPSP

Liefert alle Referencen, die einen eMP bezug haben

## IsEMPSP

Parameter `based-on-emp`:`reference`

Liefert alle Referencen, die einen eMP bezug haben

Resource | MedicationStatement
Expression | `Resource.basedOn.where(extension('https://gematik.de/fhir/epa-medication/StructureDefinition/is-emp-extension').value = true)`
Target Resources | MedicationRequest
Multiples | multipleAnd: The parameter may only appear once multipleOr: The parameter may only have one value (no comma separators)