GSTM1 and alpha thalassemia spectrum: Based on the 2016 survey, reasons indicated for not reporting elevated Hb Bart’s levels were attributed to the lack of a HPLC setup, the lack of technology to confirm or quantify Hb Bart’s level, the absence of a commercially available Hb Bart’s standard, and the fact that alpha thalassemia is not on the Recommended Uniform Screening Panel (RUSP) [8].