Mobile access to Health Documents (MHD)
4.2.3 - Trial-Implementation

Mobile access to Health Documents (MHD), published by IHE IT Infrastructure Technical Committee. This guide is not an authorized publication; it is the continuous build for version 4.2.3 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/IHE/ITI.MHD/ and changes regularly. See the Directory of published versions

## Extension: Clinical code of the List

Official URL: https://profiles.ihe.net/ITI/MHD/StructureDefinition/ihe-designationType | Version: 4.2.3
Active as of 2025-10-30 | Computable Name: DesignationType

Expresses contentType of submissionSet or the codeList of a Folder. Usually expressed in LOINC or SNOMED.

Context of Use

This extension may be used on the following element(s)

- Element ID: `List`

Usage info

Usages:

- Use this Extension: MHD common List with designationType
- Examples for this Extension: Bundle/ex-ProvideDocumentBundle-addToFolder, Bundle/ex-comprehensiveProvideDocumentBundleComplete, Bundle/ex-comprehensiveProvideDocumentBundleDocument, Bundle/ex-comprehensiveProvideDocumentBundleMultiple... Show 8 more, Bundle/ex-comprehensiveProvideDocumentBundleReplace, Bundle/ex-comprehensiveProvideDocumentBundleSimple, Bundle/ex-unContainedComprehensiveProvideDocumentBundleComplete, List/ex-compEmailPackage, List/ex-compFolder, List/ex-compSubmissionSetFull, List/ex-compSubmissionSetFullUnContained and List/ex-compSubmissionSetList
- Search Parameters using this Extension: DesignationType

You can also check for usages in the FHIR IG Statistics

### Formal Views of Extension Content

Description of Profiles, Differentials, Snapshots, and how the XML and JSON presentations work.

- Differential Table
- Snapshot Table
- Statistics/References
- All

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Clinical code of the List
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "https://profiles.ihe.net/ITI/MHD/StructureDefinition/ihe-designationType"
value[x] |  | 1..1 | CodeableConcept | Value of extension
Documentation for this format

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Clinical code of the List
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "https://profiles.ihe.net/ITI/MHD/StructureDefinition/ihe-designationType"
value[x] |  | 1..1 | CodeableConcept | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Expresses contentType of submissionSet or the codeList of a Folder. Usually expressed in LOINC or SNOMED.

Differential View

This structure is derived from Extension

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Clinical code of the List
extension |  | 0..0 |  | Extension
url |  | 1..1 | uri | "https://profiles.ihe.net/ITI/MHD/StructureDefinition/ihe-designationType"
value[x] |  | 1..1 | CodeableConcept | Value of extension
Documentation for this format

Snapshot View

Name | Flags | Card. | Type | Description & Constraints Filter: Bindings Constraints Obligations
--- | --- | --- | --- | ---
Extension |  | 0..* | Extension | Clinical code of the List
id |  | 0..1 | string | Unique id for inter-element referencing
extension |  | 0..0 |  | Extension Slice: Unordered, Open by value:url
url |  | 1..1 | uri | "https://profiles.ihe.net/ITI/MHD/StructureDefinition/ihe-designationType"
value[x] |  | 1..1 | CodeableConcept | Value of extension
Documentation for this format

This structure is derived from Extension

Summary

Simple Extension with the type CodeableConcept: Expresses contentType of submissionSet or the codeList of a Folder. Usually expressed in LOINC or SNOMED.

Other representations of profile: CSV, Excel, Schematron

#### Constraints

Id | Grade | Path(s) | Description | Expression
ele-1 | error | **ALL** elements | All FHIR elements must have a @value or children | `hasValue() or (children().count() > id.count())`
ext-1 | error | **ALL** extensions | Must have either extensions or value[x], not both | `extension.exists() != value.exists()`