NIBSC - New and existing standards

Product	Base material	Intended use	FCXM readout (RFI)	Luminex readout (2,000 MFI cut-off)	Control’s characteristic	Stock comments
07/214 Positive Control for FCXM	Plasma	Luminex and FCXM	T cells: 1.5-3.0 B cells: 1.1-2.3	Class I: 10-70% PRA Class II: 0-10% PRA	Weak positive, near cut-off point (RFI 2.0)	Stock will run out in 2020
08/148 HLA Class II Positive Control	Plasma	Luminex and FCXM	T cells: 1.0-1.3. B cells: 2.0-3.0	Class I: 10% Class II: 10-20%	HLA class II but not class I positivity	In stock
10/142 Anti-HLA Control (negative)	Plasma	Luminex and FCXM	T cells: 1.0-1.1 B cells: 1.0-1.3	Class I: 0-10% Class II: 0-10%	Negative plasma (high background)	In stock
17/238 Strong anti-HLA control	Plasma pool	FCXM and Luminex	T cells: >1.5 B cells: >1.5	Class I: >30% Class II: >30%	Positive plasma	In stock
17/212 Negative anti-HLA control	Serum	FCXM and Luminex	T cells: 1.0-1.1 B cells: 1.0-1.1	Class I: 0-5% Class II: 0-5%	Negative serum (low background)	In stock

ALLOANTIBODY SCREENING NIBSC REFERENCE MATERIAL FOR H&I LABS AND BLOOD SERVICES