Product availability varies by country.
Atellica CH A1c_E IFU. Siemens Healthcare Diagnostics Inc. 11111609_EN Rev. 01, 2019-01
The Atellica CH A1c_E assay is NGSP certified and an IFCC-standardized HbA1c assay that demonstrates < 5% change with most known Hb variants (HbC, HbD, HbE, HbS, and HbA2).
International Diabetes Federation. IDF Diabetes Atlas, 8th edn. Brussels, Belgium: International Diabetes Federation, 2017. http://www.diabetesatlas.org