Evaluation of the suitability of the World Health Organization International Reference Reagent for Hb A2 quantitation (89/666) for continued use.
Barbara J De La SalleAdrian D StephensBarbara J WildCornelis L HarteveldKeith HydePublished in: International journal of laboratory hematology (2019)
The results may indicate a lack of commutability of the WHO IRR material, resulting from deterioration, matrix effects or changes in reagent formulation or calibration parameters. Further examination of the suitability of the WHO IRR (89/666) for continued use is required.