Slot: externalCodeList
Reference to a code list that is defined externally to this study
URI: [odm:slot/externalCodeList](https://cdisc.org/odm2/slot/externalCodeList)
## Applicable Classes
| Name | Description | Modifies Slot |
| --- | --- | --- |
| [CodeList](../classes/CodeList.md) | A value set that defines a discrete collection of permissible values for an item, corresponding to the ODM CodeList construct | no |
## Properties
### Type and Range
| Property | Value |
| --- | --- |
| Range | [Resource](../classes/Resource.md) |
| Domain Of | [CodeList](../classes/CodeList.md) |
### Cardinality and Requirements
| Property | Value |
| --- | --- |
### Slot Characteristics
| Property | Value |
| --- | --- |
| Owner | [CodeList](../classes/CodeList.md) |
## Identifier and Mapping Information
### Schema Source
* from schema: https://cdisc.org/dds
## Mappings
| Mapping Type | Mapped Value |
| --- | --- |
| self | odm:externalCodeList |
| native | odm:externalCodeList |
## LinkML Source
name: externalCodeList
description: Reference to a code list that is defined externally to this study
from_schema: https://cdisc.org/dds
rank: 1000
owner: CodeList
domain_of:
- CodeList
range: Resource