VariableName VariableLabel Type Role Note Core
STUDYID Study Identifier Char Identifier Unique identifier for a study. Req
DOMAIN Domain Abbreviation Char Identifier Two-character abbreviation for the domain. Req
USUBJID Unique Subject Identifier Char Identifier Identifier used to uniquely identify a subject across all studies for all applications or submissions involving the product. Req
FASEQ Sequence Number Num Identifier Sequence Number given to ensure uniqueness of subject records within a domain. May be any valid number. Req
FAGRPID Group ID Char Identifier Used to tie together a block of related records in a single domain for a subject. Perm
FASPID Sponsor-Defined Identifier Char Identifier Sponsor-defined reference number. Perhaps pre-printed on the CRF as an explicit line identifier or defined in the sponsor’s operational database. Example: Line number on a CRF. Perm
FATESTCD Findings About Test Short Name Char Topic Short name of the measurement, test, or examination described in FATEST. It can be used as a column name when converting a dataset from a vertical to a horizontal format. The value in FATESTCD cannot be longer than 8 characters, nor can it start with a number (e.g. “1TEST”). FATESTCD cannot contain characters other than letters, numbers, or underscores. Example: SEV, OCCUR. Req
FATEST Findings About Test Name Char Synonym Qualifier Verbatim name of the test or examination used to obtain the measurement or finding. The value in FATEST cannot be longer than 40 characters. Examples: Severity/Intensity, Occurrence Req
FAOBJ Object of the Observation Char Record Qualifier Used to describe the object or focal point of the findings observation that is represented by --TEST. Examples: the term (such as Acne) describing a clinical sign or symptom that is being measured by a Severity test, or an event such as VOMIT where the volume of Vomit is being measured by a VOLUME test. Req
FACAT Category for Findings About Char Grouping Qualifier Used to define a category of related records. Examples: GERD, PRE-SPECIFIED AE. Perm
FASCAT Subcategory for Findings About Char Grouping Qualifier A further categorization of FACAT. Perm
FAORRES Result or Finding in Original Units Char Result Qualifier Result of the test as originally received or collected. Exp
FAORRESU Original Units Char Variable Qualifier Original units in which the data were collected. The unit for FAORRES. Perm
FASTRESC Character Result/Finding in Std Format Char Result Qualifier Contains the result value for all findings, copied or derived from FAORRES in a standard format or standard units. FASTRESC should store all results or findings in character format; if results are numeric, they should also be stored in numeric format in FASTRESN. For example, if a test has results “NONE”, “NEG”, and “NEGATIVE” in FAORRES and these results effectively have the same meaning; they could be represented in standard format in FASTRESC as “NEGATIVE”. Exp
FASTRESN Numeric Result/Finding in Standard Units Num Result Qualifier Used for continuous or numeric results or findings in standard format; copied in numeric format from FASTRESC. FASTRESN should store all numeric test results or findings. Perm
FASTRESU Standard Units Char Variable Qualifier Standardized unit used for FASTRESC and FASTRESN. Perm
FASTAT Completion Status Char Record Qualifier Used to indicate that the measurement was not done. Should be null if a result exists in FAORRES. Perm
FAREASND Reason Not Performed Char Record Qualifier Describes why a question was not answered. Example: subject refused. Used in conjunction with FASTAT when value is NOT DONE. Perm
FALOC Location of the Finding About Char Record Qualifier Used to specify the location of the clinical evaluation. Example: ARM Perm
FALAT Laterality of Location of the Finding About Char Result Qualifier Qualifier for anatomical location or specimen further detailing laterality. Examples: RIGHT, LEFT, BILATERAL
FABLFL Baseline Flag Char Record Qualifier Indicator used to identify a baseline value. The value should be “Y” or null. Perm
FAEVAL Evaluator Char Record Qualifier Role of the person who provided the evaluation. Used only for results that are subjective (e.g., assigned by a person or a group). Should be null for records that contain collected or derived data. Examples: INVESTIGATOR, ADJUDICATION COMMITTEE, VENDOR. Perm
VISITNUM Visit Number Num Timing 1.Clinical encounter number.2.Numeric version of VISIT, used for sorting. Exp
VISIT Visit Name Char Timing 1.Protocol-defined description of clinical encounter.2.May be used in addition to VISITNUM and/or VISITDY. Perm
VISITDY Planned Study Day of Visit Num Timing Planned study day of the visit based upon RFSTDTC in Demographics. Perm
FADTC Date/Time of Collection Char Timing Perm
FADY Study Day of Collection Num Timing 1.Study day of collection, measured as integer days.2.Algorithm for calculations must be relative to the sponsor-defined RFSTDTCvariable in Demographics. This formula should be consistent across the submission. Perm