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
2021-06-25	N/A	Add	C180548	Term	CTSTDTYP	CDISC Controlled Terminology Standard Type	Add new term to existing codelist	- - -	ADaM	C180548 replaces C81222 in the codelist, which was removed. NCI C-code, NCI Preferred Term, and CDISC definition updated in new values.
2021-06-25	N/A	Add	C180549	Term	CTSTDTYP	CDISC Controlled Terminology Standard Type	Add new term to existing codelist	- - -	CDASH	C180549 replaces C77527 in the codelist, which was removed. NCI C-code, NCI Preferred Term, and CDISC definition updated in new values.
2021-06-25	N/A	Add	C180550	Term	CTSTDTYP	CDISC Controlled Terminology Standard Type	Add new term to existing codelist	- - -	DEFINE-XML	C180550 replaces C165634 in the codelist, which was removed. NCI C-code, NCI Preferred Term, and CDISC definition updated in new values.
2021-06-25	N/A	Add	C180551	Term	CTSTDTYP	CDISC Controlled Terminology Standard Type	Add new term to existing codelist	- - -	SDTM	C180551 replaces C66830 in the codelist, which was removed. NCI C-code, NCI Preferred Term, and CDISC definition updated in new values.
2021-06-25	N/A	Add	C180552	Term	CTSTDTYP	CDISC Controlled Terminology Standard Type	Add new term to existing codelist	- - -	SEND	C180552 replaces C77526 in the codelist, which was removed. NCI C-code, NCI Preferred Term, and CDISC definition updated in new values.
2021-06-21	N/A	Remove	C66830	Term	CTSTDTYP	CDISC Controlled Terminology Standard Type	Remove term entirely from codelist	SDTM	- - -	Remove C66830 from the codelist and replace it with C180551.
2021-06-21	N/A	Remove	C77526	Term	CTSTDTYP	CDISC Controlled Terminology Standard Type	Remove term entirely from codelist	SEND	- - -	Remove C77526 from the codelist and replace it with C180552.
2021-06-21	N/A	Remove	C77527	Term	CTSTDTYP	CDISC Controlled Terminology Standard Type	Remove term entirely from codelist	CDASH	- - -	Remove C77527 from the codelist and replace it with C180549.
2021-06-21	N/A	Remove	C81222	Term	CTSTDTYP	CDISC Controlled Terminology Standard Type	Remove term entirely from codelist	ADaM	- - -	Remove C81222 from the codelist and replace it with C180548.
2021-06-21	N/A	Remove	C165634	Term	CTSTDTYP	CDISC Controlled Terminology Standard Type	Remove term entirely from codelist	DEFINE-XML	- - -	Remove C165634 from the codelist and replace it with C180550.
2021-06-25	CDISC-4995	Update	C172331	CDISC Extensible List	CTSTDTYP	CDISC Controlled Terminology Standard Type	Update CDISC Extensible List	Yes	No	
2021-06-25	CDISC-4995	Update	C170452	CDISC Extensible List	STDNAM	Standard Name	Update CDISC Extensible List	Yes	No	
2021-06-25	CDISC-4995	Update	C170451	CDISC Extensible List	STDTYP	Standard Type	Update CDISC Extensible List	Yes	No