> For the complete documentation index, see [llms.txt](https://docs.b2ihealthcare.com/snow-owl-authoring-platform/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.b2ihealthcare.com/snow-owl-authoring-platform/reference-sets/authoring/creating-reference-sets.md).

# Creating Reference Sets

Reference Sets can be created using the Context Menu options by

* Right-clicking on the Reference Set type in the **Reference Sets View** and selecting **New reference set** Context Menu option
* **Combining two Reference Sets** and creating a new one

To create a new Reference Set, use the context menu in the **Reference Set View**: Right-click on a Reference Set type or Reference Set (to create a child concept – Reference Set) and select the **New ...  reference set...** option.

This action brings up the **New SNOMED CT Reference Set** **Wizard** with the following fields:

| Field                            | Description                                                                                                                               |
| -------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------- |
| **Reference set ID**             | Identifier of the new Reference Set (auto-populated)                                                                                      |
| **Reference set parent**         | You can modify the parent of the new reference, only it has to be the same type as what you originally selected in the Reference Set View |
| **Module**                       | You can select the module of the new Reference Set concept– this field is auto-populated with the primary module                          |
| **Reference set preferred term** | Specify the Preferred Term of the new Reference Set which will also be the base for the Fully Specified Name of the Reference Set concept |
| **Referenced Component type**    | Mandatory for all Reference Set types                                                                                                     |
| **Map target type**              | Only available for Map type Reference Sets                                                                                                |

![New SNOMED CT Reference Set wizard - Creating a Simple map](/files/-MHHVWujpDw3V3dCGqhn)

### Possible referenced component and map target types <a href="#referencesetauthoring-possiblereferencedcomponentandmaptargettypes" id="referencesetauthoring-possiblereferencedcomponentandmaptargettypes"></a>

| **Reference Set type**   | **Referenced Component types**          | **Map Target types**                 |
| ------------------------ | --------------------------------------- | ------------------------------------ |
| **Simple type**          | SNOMED CT Concept SNOMED CT Description | \_                                   |
| **Attribute Value type** | SNOMED CT Concept SNOMED CT Description | \_                                   |
| **Simple Map type**      | SNOMED CT Concept SNOMED CT Description | SNOMED CT Concept Other Code Systems |
| **Complex Map type**     | SNOMED CT Concept                       | Other Code Systems                   |
| **Extended Map type**    | SNOMED CT Concept                       | Other Code Systems                   |


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