HL7 Europe Laboratory Report
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## EHDS Attachment Mapping

EHDSAttachment -> Attachment
Ongoing alignment: The Xt-EHR logical models are under active revision and continuous refinement. Updates from Xt-EHR will be progressively incorporated into this Implementation Guide to maintain alignment with the evolving EHDS specifications.
Yellow row/cells: In this ballot publication, some row/cells of the mapping table have been left in yellow to indicate areas requiring further review or refinement; including feedback from the Xt-EHR joint action (see note above). These highlights will be addressed in subsequent updates to ensure accuracy and completeness of the mappings.

### EHDSAttachment -> Attachment

This page explains how conceptual elements from the EHDS logical model are expressed in the corresponding FHIR Attachment profile or type used by this Implementation Guide.

Mapping Context

- Source logical model: EHDSAttachment
- Target FHIR profile: Attachment

EHDSAttachment -> Attachment
EHDSAttachment (Logical Model) | Relationship | Attachment
--- | --- | ---
Element | Description | Relation | Resource | Element | Description | Notes
contentType | Mime type of the content, with charset etc. | equivalent | Attachment | contentType | Mime type of the content. | Preferred binding: BCP-13.
language | Human language of the content. | equivalent | Attachment | language | Language of the attachment content. | Preferred binding: BCP-47.
data | The actual data of the attachment - a sequence of bytes, base64 encoded. | equivalent | Attachment | data | Base64-encoded data. |
url | A location where the data can be accessed. | equivalent | Attachment | url | Location where the data can be accessed. |
size | The number of bytes of data that make up this attachment (before base64 encoding). | equivalent | Attachment | size | Number of bytes in the attachment. |
title | A label or set of text to display in place of the data. | equivalent | Attachment | title | Label to display in place of the data. |

Return to overview: EHDS Logical Models -> FHIR Profiles