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: Segment MSA to MessageHeader Map (Experimental)

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

This ConceptMap represents a mapping from the HL7 V2 Segment MSA to the FHIR MessageHeader Resource.

This ConceptMap represents the mapping from the HL7 V2 MSA Segment 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 | Extension | Data Type | Cardinality - Min | Cardinality - Max | Data Type Mapping | Vocabulary Mapping (IS, ID, CE, CEN, CWE) | Assignment
1 | MSA-1 | Acknowledgment Code | ID | 1 | 1 |  |  |  | MessageHeader.response.code |  |  | 0 | 1 |  |  |  |
2 | MSA-2 | Message Control ID | ST | 1 | 1 |  |  |  | MessageHeader.response.identifier |  |  | 0 | 1 |  |  |  |
3 | MSA-3 | Text Message | ST | 0 | 1 |  |  |  |  |  |  |  |  |  |  |  |
4 | MSA-4 | Expected Sequence Number | NM | 0 | 1 |  |  |  |  |  |  |  |  |  |  |  |
5 | MSA-5 | Delayed Acknowledgment Type | ID | 0 | 1 |  |  |  |  |  |  |  |  |  |  |  |
6 | MSA-6 | Error Condition | CE | 0 | 1 |  |  |  |  |  |  |  |  |  |  |  |
7 | MSA-7 | Message Waiting Number | NM | 0 | 1 |  |  |  |  |  |  |  |  |  |  |  |
8 | MSA-8 | Message Waiting Priority | ID | 0 | 1 |  |  |  |  |  |  |  |  |  |  |  |

Mapping from (not specified) to (not specified)

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

Source Code | Relationship | Target Code
MSA-1 (Acknowledgment Code) | is equivalent to | response.code
MSA-2 (Message Control ID) | is equivalent to | response.identifier

### Notes: