Preferred Label : Indirect Identifier;
NCIt related terms : quasi identifer;
NCIt definition : Data which, when combined with other information, may enable the identification of
a particular individual.;
Alternative definition : CDISC-GLOSS: Data which in connection with other information can be used to identify
an individual with high probability, e.g., age at baseline, race, gender, events,
specific findings, etc. NOTE: two levels of indirect identifier are distinguished.
Level 1 - not likely to change over time, is visible, and is available in other sources.
Typically it is demographic data such as sex, age at a particular date, country, body
mass index (BMI). Level 2 - longitudinal information that is likely to change such
as measurements, events, age. See also quasi identifier. [PhUSE De-identification
Standard for SDTM 3.2, version 1.0.1.];
NCI Metathesaurus CUI : CL540570;
Origin ID : C142581;
UMLS CUI : C4684690;
Semantic type(s)
- concept_is_in_subset
