Value Null Flavor

Preferred Label : Value Null Flavor;

NCIt related terms : VALNF;

NCIt definition : A description of the value that describes missing data, eg. unknown, not applicable.;

Details

Origin ID

C117374;

UMLS CUI

C3897207;

Semantic type(s)
- Conceptual Entity [UMLS semantic type]
concept_is_in_subset
- CDISC Root Variable Terminology [NCIt concept]

Keyword's position in hierarchy(ies) :

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