HL7 Version 2 to FHIR
1.0.0 - STU 1

HL7 Version 2 to FHIR - Downloaded Version 1.0.0 See the Directory of published versions

## ConceptMap: Datatype ED to Attachment Map (Experimental)

Official URL: http://hl7.org/fhir/uv/v2mappings/ConceptMap/datatype-ed-to-attachment | Version: 1.0.0
Standards status: Informative | Computable Name: DatatypeEDToAttachment
Copyright/Legal: Copyright (c) 2025, HL7 International, Inc., All Rights Reserved.

This ConceptMap represents a mapping from the HL7 V2 Datatype ED to the FHIR Attachment Data Type.

This ConceptMap represents the mapping from the HL7 V2 ED Data Type to the FHIR Attachment Data Type. See also the FHIR Shorthand or the CSV Source.

HL7 v2 | Condition (IF True, args) | HL7 FHIR | Comments
--- | --- | --- | ---
Sort Order | Identifier | Name | Data Type | Cardinality - Min | Cardinality - Max | Computable ANTLR | Computable FHIRPath | Narrative | FHIR Attribute | Proposed Extension | Data Type | Cardinality - Min | Cardinality - Max | Data Type Mapping | Vocabulary Mapping (IS, ID, CE, CEN, CWE) | Assignment
1 | ED.1 | Source Application | HD | 0 | 1 |  |  |  |  |  |  |  |  |  |  |  |
2 | ED.2 | Type of Data | ID | 1 | 1 | IF ED.3 NOT VALUED |  |  | Attachment.extension.url |  | uri | 1 | 1 |  |  | "https://hl7.org/fhir/StructureDefinition/alternate-codes" |
2 | ED.2 | Type of Data | ID | 1 | 1 | IF ED.3 NOT VALUED |  |  | Attachment.extension.valueCodeableConcept |  | CodeableConcept | 1 | 1 |  |  |  |
3 | ED.3 | Data Subtype | ID | 0 | 1 |  |  |  | Attachment.contentType |  | code | 0 | 1 |  |  |  |
4 | ED.4 | Encoding | ID | 1 | 1 |  |  |  |  |  |  |  |  |  |  |  |
5 | ED.5 | Data | TX | 1 | 1 |  |  |  | Attachment.data |  | base64Binary | 0 | 1 |  |  | /convert from A or HEX to binary64/ | Implementations are not always accurate, so to be safe you may want to always assess OBX-5.5 to determine the correct .contentType.

Mapping from (not specified) to (not specified)

Group 1 Mapping from `unspecified code system` to `unspecified code system`

Source Concept Details | Relationship | Target Concept Details | Comment
Codes from | ComputableANTLR |  | Codes from |
ED.2 | Type of Data | IF ED.3 NOT VALUED | is equivalent to | extension[1].url | extension[1].url |
ED.2 | Type of Data | IF ED.3 NOT VALUED | is equivalent to | extension[1].valueCodeableConcept | extension[1].valueCodeableConcept |
ED.3 | Data Subtype |  | is equivalent to | contentType | contentType |
ED.5 | Data |  | is equivalent to | data | data | Implementations are not always accurate, so to be safe you may want to always assess OBX-5.5 to determine the correct .contentType.

### Notes: