Release Date	Request Code	Change Type	NCI Code	CDISC Term Type	CDISC Codelist (Short Name)	CDISC Codelist (Long Name)	Change Summary	Original	New	Change Implementation Instructions

2026-03-27	CDISC-6902	Add	C15538	Term	Study Arm Type Value Set Terminology	Study Arm Type Value Set Terminology	Add new term to new codelist	- - -	Treatment Arm	

2026-03-27	CDISC-6902	Add	C174222	CDISC Codelist	Study Arm Type Value Set Terminology	Study Arm Type Value Set Terminology	Addition of new codelist	- - -	Study Arm Type Value Set Terminology	

2026-03-27	CDISC-6902	Add	C174226	Term	Study Arm Type Value Set Terminology	Study Arm Type Value Set Terminology	Add new term to new codelist	- - -	Control Arm	

2026-03-27	CDISC-6902	Add	C174266	Term	Study Arm Type Value Set Terminology	Study Arm Type Value Set Terminology	Add new term to new codelist	- - -	Experimental Arm	

2026-03-27	CDISC-6902	Add	C174267	Term	Study Arm Type Value Set Terminology	Study Arm Type Value Set Terminology	Add new term to new codelist	- - -	Active Comparator Arm	

2026-03-27	CDISC-6902	Add	C174268	Term	Study Arm Type Value Set Terminology	Study Arm Type Value Set Terminology	Add new term to new codelist	- - -	Placebo Comparator Arm	

2026-03-27	CDISC-6902	Add	C174269	Term	Study Arm Type Value Set Terminology	Study Arm Type Value Set Terminology	Add new term to new codelist	- - -	Sham Comparator Arm	

2026-03-27	CDISC-6902	Add	C174270	Term	Study Arm Type Value Set Terminology	Study Arm Type Value Set Terminology	Add new term to new codelist	- - -	No Intervention Arm	

2026-03-27	CDISC-6900	Update	C38114	CDISC Definition	DDF Administration Attribute terminology	DDF Administration Attribute terminology	Update CDISC Definition	The way in which a pharmaceutical product is taken into, or makes contact with, the body. (CDISC Glossary)	The way in which an agent is introduced into, or onto, the body.	

2026-03-27	CDISC-6900	Update	C70848	CDISC Definition	Medical Device Identifier Type Value Set Terminology	Medical Device Identifier Type Value Set Terminology	Update CDISC Definition	A distinctive alpha-numeric identification code assigned by the manufacturer or distributor to a specific quantity of manufactured material or product within a batch.	A short sequence of characters assigned by the manufacturer or distributor to a specific quantity of manufactured material or product.	

2026-03-27	CDISC-6900	Update	C207599	CDISC Definition	Study Role Code Value Set Terminology	Study Role Code Value Set Terminology	Update CDISC Definition	The individual who evaluates the outcome(s) of interest. (Clinicaltrials.gov)	The individual who evaluates the outcome(s) of interest.