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 MSG to MessageHeader Map (Experimental)

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

This ConceptMap represents a mapping from the HL7 V2 Datatype MSG to the FHIR MessageHeader Resource.

This ConceptMap represents the mapping from the HL7 V2 MSG Data Type to the FHIR MessageHeader Resource. 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 | MSG.1 | Message Code | ID | 1 | 1 |  |  |  |  |  |  |  |  |  |  |  |
2 | MSG.2 | Trigger Event | ID | 1 | 1 |  |  |  | MessageHeader.eventCoding.code |  | code | 0 | 1 |  | EventType |  |
2 | MSG.2 | Trigger Event | ID | 1 | 1 |  |  |  | MessageHeader.eventCoding.system |  | uri | 0 | 1 |  |  | "http://terminology.hl7.org/CodeSystem/v2-0003" |
3 | MSG.3 | Message Structure | ID | 1 | 1 |  |  |  | MessageHeader.definition |  | canonical | 0 | 1 |  | MessageStructure |  |

Mapping from (not specified) to (not specified)

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

Source Code | Relationship | Target Code
MSG.2 (Trigger Event) | is equivalent to | eventCoding.code
MSG.2 (Trigger Event) | is equivalent to | eventCoding.system
MSG.3 (Message Structure) | is equivalent to | definition

### Notes: