Preferred Label : CDISC SEND Null Flavor Reason Terminology;
NCIt synonyms : SEND-NULLFLAV;
NCIt related terms : Null Flavor Reason; NULLFLAV;
NCIt definition : The terminology that includes concepts relevant to the Clinical Data Interchange Standards
Consortium (CDISC) Standard for the Exchange of Non-clinical Data (SEND) null flavor.;
Alternative definition : CDISC: Terminology relevant to the reason for why a data value is not present.;
NCI Metathesaurus CUI : CL552571;
Origin ID : C150810;
UMLS CUI : C4726003;
Semantic type(s)
concept_is_in_subset
subset_includes_concept