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 OG [Subidentifier] to Extension Map (Experimental)

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

This ConceptMap represents a mapping from the HL7 V2 Datatype OG to the FHIR Extension Data Type.

This ConceptMap represents the mapping from the HL7 V2 OG Data Type to the FHIR Extension 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 | OG.1 | Original Sub-Identifier | ST | 0 | 1 |  |  |  | Extension.extension:group.url |  |  | 0 | 1 |  |  | "http://hl7.org/fhir/StructureDefinition/observation-v2-subid" |
1 | OG.1 | Original Sub-Identifier | ST | 0 | 1 |  |  |  | Extension.extension:orginal-sub-identiier.valueString |  | string | 0 | 1 |  |  |  |
2 | OG.2 | Group | NM | 0 | 1 |  |  |  | Extension.extension:group.url |  |  | 0 | 1 |  |  | "http://hl7.org/fhir/StructureDefinition/observation-v2-subid" |
2 | OG.2 | Group | NM | 0 | 1 |  |  |  | Extension.extension:group.valueDecimal |  | decimal | 0 | 1 |  |  |  |
3 | OG.3 | Sequence | NM | 0 | 1 |  |  |  | Extension.extension:group.url |  |  | 0 | 1 |  |  | "http://hl7.org/fhir/StructureDefinition/observation-v2-subid" |
3 | OG.3 | Sequence | NM | 0 | 1 |  |  |  | Extension.extension:group.valueDecimal |  | decimal | 0 | 1 |  |  |  |
4 | OG.4 | Identifier | ST | 0 | 1 |  |  |  | Extension.extension:group.url |  |  | 0 | 1 |  |  | "http://hl7.org/fhir/StructureDefinition/observation-v2-subid" |
4 | OG.4 | Identifier | ST | 0 | 1 |  |  |  | Extension.extension:identifier.valueString |  | string | 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
OG.1 (Original Sub-Identifier) | is equivalent to | extension[1]:group.url
OG.1 (Original Sub-Identifier) | is equivalent to | extension[1]:orginal-sub-identiier.valueString
OG.2 (Group) | is equivalent to | extension[1]:group.url
OG.2 (Group) | is equivalent to | extension[1]:group.valueDecimal
OG.3 (Sequence) | is equivalent to | extension[1]:group.url
OG.3 (Sequence) | is equivalent to | extension[1]:group.valueDecimal
OG.4 (Identifier) | is equivalent to | extension[1]:group.url
OG.4 (Identifier) | is equivalent to | extension[1]:identifier.valueString

### Notes: