Personal Attribute Subject Unique Identifier USUBJID Subject Unique Identifier SCDO:1000469 Subject.identifier Subject UID Subject's Unique Identifier The unique identification of a subject in a specified context. NOTE(S): This class is a resolution of the requirement for noting the type of an identifier which is not handled by the purely technical HL7 II data type.; A unique symbol that establishes identity of the subject. EXAMPLE(S): study subject number 7 on a specific study OTHER NAME(S): NOTE(S):; Unique Identifier of patient or fetus who is the subject of observations.; The unique identification of a subject in a specified context. Subject ID Unique Subject Identifier Subject Identifier Participant Identifier Research Subject ID NCIT:C69256 Participant ID Sufficient SubjectIdentifier A unique identifier for a subject in a study. Subject Identification Code Participant Number Epidemiologic Study Characteristics Research Characteristics