CD79A and Miyoshi myopathy: 79 out of 89 patients (89%) had an iFLC level above the upper standard and an abnormal ratio of involved to uninvolved FLC ≥ 8: 32 out of 42 patients with IgG MM, 20 out of 23 with IgA MM, and all 27 with light chain/IgD MM (Table 1).