Implementation Guide
ePA Medication Service
Version 1.3.5 - release

## OperationDefinition: Cancel Dispensation eRP

Official URL: https://gematik.de/fhir/epa-medication/OperationDefinition/cancel-dispensation-erp-OP | Version: 1.3.2
Active as of 2026-03-20 | Computable Name: cancelDispensation_MedicationSvc
Copyright/Legal: gematik GmbH / Dieser Implementation Guide ist lizenziert unter Apache License, Version 2.0.

The Cancel Dispensation eRP operation, used by the E-Rezept-Fachdienst, in the context of the ePA Medication Service, is applied to cancel or reverse information regarding the dispensation of a medication. This operation is necessary when a medication dispensation is cancelled by a pharmacist or when there is a return of the medication by the insurant. After the E-Rezept-Fachdienst performs this operation, the corresponding dispensation entry for the medication in the patient's ePA is marked as cancelled, which the goal in ensuring an accurate and up-to-date record of the patient's medication data.

Profile: OperationDefinition Profil für TI FHIR Data Service

URL: [base]/$cancel-dispensation-erp

Input parameters Profile:EPA Operation CancelDispensation ERP Input-Parameters

Output parameters Profile:EPA Operation RxDispensation ERP Output-Parameters

### Parameters

Use | Name | Scope | Cardinality | Type | Binding | Documentation