> For the complete documentation index, see [llms.txt](https://docs.snomed.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.snomed.org/snomed-ct-user-guides/authoring-user-guide/how-to/task-edit/add-a-general-concept-inclusion-gci-to-a-concept.md).
# Add a General Concept Inclusion (GCI) to a concept
| Steps | References |
| -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| Open a concept for editing, for example: `\|Secondary diabetes mellitus (disorder)\|`. The concept header contains the `Add GCI Axiom` button. The button icon is a solid rounded square containing a "plus" symbol. | |
| Press the `Add GCI Axiom` button in the concept header. A new `General Concept Inclusion` panel will appear below the concept relationships containing a single empty `Is a` attribute. | |
| Drag the parent concept (`\|Diabetes mellitus (disorder)\|` for this example) as a target for the GCI `Is a` relationship. | |
| Press the `Add New Relationship` "plus" button within the GCI panel. Use type-ahead search to enter and select `Due to (attribute)` as the relationship type. | |
| Use type-ahead search to enter and select `\|Disease (disorder)\|` as the target value for the new `Due to` attribute. | |
| Save the concept. | |
| Show the stated view of the concept diagram. Diagram shows empty GCI box with reverse subtype indicator. | |
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