SDTM.DD

Variable_order	Dataset_name	Variable_name	Variable_label	Type	Codelist	Role	Core	CDISC_notes
1	DD	STUDYID	Study Identifier	Char		Identifier	Req	Unique identifier for a study.
2	DD	DOMAIN	Domain Abbreviation	Char		Identifier	Req	Two-character abbreviation for the domain.
3	DD	USUBJID	Unique Subject Identifier	Char		Identifier	Req	Identifier used to uniquely identify a subject across all studies for all applications or submissions involving the product.
4	DD	DDSEQ	Sequence Number	Num		Identifier	Req	Sequence number given to ensure uniqueness of subject records within a domain. May be any valid number.
5	DD	DDTESTCD	Death Detail Assessment Short Name	Char	C116108	Topic	Req	Short name of the measurement, test, or examination described in DDTEST. It can be used as a column name when converting a dataset from a vertical to a horizontal format. The value in DDTESTCD cannot be longer than 8 characters, nor can it start with a number (e.g., "1TEST" is not valid). DDTESTCD cannot contain characters other than letters, numbers, or underscores. Examples: "PRCDTH", "SECDTH".
6	DD	DDTEST	Death Detail Assessment Name	Char	C116107	Synonym Qualifier	Req	Long name for DDTESTCD. The value in DDTEST cannot be longer than 40 characters. Examples: "Primary Cause of Death", "Secondary Cause of Death".
7	DD	DDORRES	Result or Finding as Collected	Char		Result Qualifier	Exp	Result of the test defined in DDTEST, as originally received or collected.
8	DD	DDSTRESC	Character Result/Finding in Std Format	Char		Result Qualifier	Exp	Contains the result or finding copied or derived from DDORRES in a standard format.
9	DD	DDRESCAT	Result Category	Char		Variable Qualifier	Perm	Used to categorize the result of a finding. Examples: "TREATMENT RELATED", "NONTREATMENT RELATED", "UNDETERMINED", "ACCIDENTAL".
10	DD	DDEVAL	Evaluator	Char	C78735	Record Qualifier	Perm	Role of the person who provided the evaluation.
11	DD	DDDTC	Date/Time of Collection	Char	ISO 8601 datetime or interval	Timing	Exp	Date/time of collection of the diagnosis or other death assessment data in ISO 8601 format. This is not necessarily the date of death.
12	DD	DDDY	Study Day of Collection	Num		Timing	Perm	Study day of the collection, in integer days. The algorithm for calculations must be relative to the sponsor-defined RFSTDTC variable in the Demographics (DM) domain.