Variable Name | Variable Label | Type | Controlled Terms, Codelist, or Format | Role | CDISC Notes | Core |
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STUDYID | Study Identifier | Char |
| Identifier | A sequence of characters used by the sponsor to uniquely identify the study. | Req |
GNTXAID | Genetic Toxicology Assay ID | Char |
| Identifier | A short sequence of characters that uniquely identifies a genetic toxicology assay within a study. | ReqExp |
SETCD | Trial Set Code | Char |
| Identifier | The short sequence of characters used to represent the trial set. The value "ALL" is used to indicate all trial sets within the assay. | Exp |
REFID | Reference ID | Char |
| Identifier | A sequence of characters used to uniquely identify a source of information. | PermReq |
PARENT | Parent Reference ID | Char |
| Identifier | The identifier for the immediate progenitor of a source of information. Identifies the REFID of the parent. | ReqPerm |
LEVEL | Reference ID Generation Level | Num |
| Variable Qualifier | The generation number of the information source in relation to the first generation of the source of information. Identifies the level number of the reference ID. | Exp |
LVLDESC | Reference ID Level Description | Char |
| Variable Qualifier | A description of the generation number of the information source in relation to the first generation of the source of information. Examples: ASSAY, TRIAL SET, EXPERIMENTAL UNIT, OBSERVATIONAL UNIT. | Perm |