> 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/snomed-ct-templates/concept-creation-by-templates/bulk-concept-creation.md).

# Bulk Concept Creation

First, you have to choose a template in order to bulk create specific concepts. Navigate to the main toolbar and select `File > New… > Concepts from template (bulk)` and hit **`Next`**.

![SNOMED CT concepts from template](https://snowowl.atlassian.net/wiki/download/thumbnails/775585870/05.png?version=1\&modificationDate=1605264785313\&cacheVersion=1\&api=v2\&width=400)

On the following page of the wizard dialog, you can choose from the pre-imported templates (all currently existing [SNOMED International templates](https://github.com/IHTSDO/snomed-templates) are available), which will determine the concepts to be created.

![List of available templates](https://snowowl.atlassian.net/wiki/download/thumbnails/775585870/06.png?version=1\&modificationDate=1605265038583\&cacheVersion=1\&api=v2\&width=400)

Now you can choose the bulk input file which must contain values for all slots present in the selected template definition. For example, the template called "*Congenital \[morphology] of \[body structure] (disorder)*" has the following template definition (written in [Expression Template Language v1.0](https://confluence.ihtsdotools.org/display/DOCSTS/6.1.+Expression+Template+Language)):

```
64572001 |Disease (disorder)|:
 {
  246454002 |Occurrence (attribute)| = 255399007 |Congenital (qualifier value)|,
  116676008 |Associated morphology (attribute)| = [[+id(<< 49755003 |Morphologically abnormal structure (morphologic abnormality)|) @morphology]],
  363698007 |Finding site (attribute)| = [[+id(<<442083009 |Anatomical or acquired body structure (body structure)|) @findingSite]]
 }
```

For this template, one must create a tab or comma-separated input file with the following two columns: *morphology*, *findingSite*. Then each individual row must represent a potential concept replacement value.

![Example bulk input format](/files/-MWZR0M4CDXdSHDDqjku)

![Select input file](https://snowowl.atlassian.net/wiki/download/thumbnails/775585870/08.png?version=1\&modificationDate=1605265815404\&cacheVersion=1\&api=v2\&width=400)

If the template definition selected is valid, syntactically correct and the format of the bulk input file is in correspondence with the template, the bulk creation of concepts starts after hitting **`Next`**. When the process finished, a wizard dialog can be opened by double-clicking on the finished remote job, which will display all the concepts with their IDs and FSNs that have been newly created and added to SNOMED CT.

![List of newly created concepts](https://snowowl.atlassian.net/wiki/download/thumbnails/775585870/09.png?version=1\&modificationDate=1605266074091\&cacheVersion=1\&api=v2\&width=400)

Created concepts can be opened from the task **Review Changes Tab.**


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