Neonatal-Onset Severe Multisystemic Autoinflammatory Disease with Increased Il18, is also known as neonatal-onset severe multisystemic autoinflammatory disease with increased interleukin 18. An important gene associated with Neonatal-Onset Severe Multisystemic Autoinflammatory Disease with Increased Il18 is CDC42 (Cell Division Cycle 42). Affiliated tissues include skin and bone.