## Profile Comparison between https://profiles.ihe.net/ITI/MHD/StructureDefinition/IHE.MHD.UniqueIdIdentifier vs https://profiles.ihe.net/ITI/MHD/StructureDefinition/IHE.MHD.UniqueIdIdentifier

Left: | uniqueId Identifier (https://profiles.ihe.net/ITI/MHD/StructureDefinition/IHE.MHD.UniqueIdIdentifier)
Right: | uniqueId Identifier (https://profiles.ihe.net/ITI/MHD/StructureDefinition/IHE.MHD.UniqueIdIdentifier)

### Messages

### Metadata

Name | Value | Comments
--- | --- | ---
abstract | false |
baseDefinition | http://hl7.org/fhir/StructureDefinition/Identifier |
copyright |  |
date | 2025-10-31T14:32:55-05:00 |
description | uniqueId Identifier - see [Appendix Z](https://profiles.ihe.net/ITI/TF/Volume2/ch-Z.html#z.9.1-identifier-type) |
experimental |  |
fhirVersion | 4.0.1 |
jurisdiction |  |
jurisdiction[0] | http://unstats.un.org/unsd/methods/m49/m49.htm#001 |
kind | complex-type |
name | UniqueIdIdentifier |
publisher | IHE IT Infrastructure Technical Committee |
purpose |  |
status | active |
title | uniqueId Identifier |
type | Identifier |
url | https://profiles.ihe.net/ITI/MHD/StructureDefinition/IHE.MHD.UniqueIdIdentifier |
version | 4.2.3 |

### Structure

Name | L Flags | L Card. | L Type | L Description & Constraints | R Flags | R Card. | R Type | R Description & Constraints | Comments
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Identifier |  | 0..* | Identifier | An identifier intended for computation |  | 0..* | Identifier | An identifier intended for computation |
id |  | 0..1 | string | Unique id for inter-element referencing |  | 0..1 | string | Unique id for inter-element referencing |
Slices for extension |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url |  | 0..* | Extension | Additional content defined by implementations Slice: Unordered, Open by value:url |
use | ?!Σ | 1..1 | code | usual | official | temp | secondary | old (If known) Binding: ?? (required): Identifies the purpose for this identifier, if known . Required Pattern: usual | ?!Σ | 1..1 | code | usual | official | temp | secondary | old (If known) Binding: ?? (required): Identifies the purpose for this identifier, if known . Required Pattern: usual |
type | Σ | 0..1 | CodeableConcept | Description of identifier Binding: ?? (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. | Σ | 0..1 | CodeableConcept | Description of identifier Binding: ?? (extensible): A coded type for an identifier that can be used to determine which identifier to use for a specific purpose. |
system | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient | Σ | 1..1 | uri | The namespace for the identifier value Example General: http://www.acme.com/identifiers/patient |
value | Σ | 1..1 | string | The value that is unique Example General: 123456 | Σ | 1..1 | string | The value that is unique Example General: 123456 |
period | Σ | 0..1 | Period | Time period when id is/was valid for use | Σ | 0..1 | Period | Time period when id is/was valid for use |
assigner | Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text) | Σ | 0..1 | Reference(Organization) | Organization that issued id (may be just text) |
Documentation for this format