Potential laboratory markers found in patients with SCLS are elevated white blood cell count, elevated hematocrit (>55%), low serum total protein and albumin, or monoclonal immunoglobulinopathy such as increased immunoglobulin G (IgG) kappa, IgG lambda, or immunoglobulin A (IgA) lambda levels [5-7]. The gene discussed is ALB; the disease is Systemic capillary leak syndrome.