Slot: studyOID
Unique identifier for the study
URI: [odm:slot/studyOID](https://cdisc.org/odm2/slot/studyOID)
## Applicable Classes
| Name | Description | Modifies Slot |
| --- | --- | --- |
| [StudyMetadata](../classes/StudyMetadata.md) | A mixin that provides study-level metadata attributes including study identification and protocol information | no |
| [MetaDataVersion](../classes/MetaDataVersion.md) | A container element that represents a given version of a specification, linking to a particular usage context such as a study, dataset, or data collection instrument. | no |
## Properties
### Type and Range
| Property | Value |
| --- | --- |
| Range | [String](../types/String.md) |
| Domain Of | [StudyMetadata](../classes/StudyMetadata.md) |
### Cardinality and Requirements
| Property | Value |
| --- | --- |
| Required | Yes |
### Slot Characteristics
| Property | Value |
| --- | --- |
| Owner | [StudyMetadata](../classes/StudyMetadata.md) |
## Identifier and Mapping Information
### Schema Source
* from schema: https://cdisc.org/dds
## Mappings
| Mapping Type | Mapped Value |
| --- | --- |
| self | odm:studyOID |
| native | odm:studyOID |
## LinkML Source
name: studyOID
description: Unique identifier for the study
from_schema: https://cdisc.org/dds
rank: 1000
owner: StudyMetadata
domain_of:
- StudyMetadata
range: string
required: true