Guided Notes

Controlled Terminology & Codelists

CDISC Controlled Terminology from NCI EVS, extensible vs non-extensible codelists, mapping collected values, units, versions, and terminology checks in data cleaning.

What controlled terminology is

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Many SDTM variables must use values from CDISC Controlled Terminology (CT), published quarterly through NCI EVS (National Cancer Institute Enterprise Vocabulary Services). Examples: • SEX: M, F, U, UNDIFFERENTIATED (codelist rules apply). • AESEV: MILD, MODERATE, SEVERE. • NY (No/Yes): N, Y. • VSTESTCD: SYSBP, DIABP, PULSE, TEMP, WEIGHT, HEIGHT… • UNIT codelist for units.

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