Implementation Guide Pseudonymization Interface for the MII
2026.0.0-ballot.1 - ci-build

Implementation Guide Pseudonymization Interface for the MII - Local Development build (v2026.0.0-ballot.1) built by the FHIR (HL7® FHIR® Standard) Build Tools. See the Directory of published versions

OperationDefinition: de-pseudonymize

Official URL: https://www.medizininformatik-initiative.de/fhir/ext/mii-interface-module-pseudonymization/OperationDefinition/DePseudonymize Version: 2026.0.0-ballot.1
Active as of 2026-02-24 Computable Name: De-Pseudonymize

Returns the original value for a given pseudonym. The algorithm to be used is left to the implementers of the operation. Errors during the execution of the operation must be returned as OperationOutcome.

URL: [base]/$de-pseudonymize

Parameters

UseNameScopeCardinalityTypeBindingDocumentation
INtarget1..1Element

Specification of the pseudonymisation context on the basis of which a personal pseudonym is searched for the specified original identifiers

INpseudonym1..1Element

Specification of a pseudonym for which unique original values assigned in the specified pseudonymisation context are searched for

OUToriginal1..*
OUToriginal.target0..1Element

Pseudonymisation context (identical with request)

OUToriginal.value1..1Element

Original-Identifier

OUToriginal.pseudonym0..1Element

Personal pseudonym (identical with request)