This case, no. 23 with more severe anemia (Hb 8.0 g/dL), was in fact the patient with Hb H-ConSp disease in combination with the β−50(G>A)/βE genotype, known as the ConSpEABart’s disease, commonly encountered in Thai populations [15,16]. The gene discussed is GSTM1; the disease is glycogen storage disease VI.