AC012236.1, LINC00324, HCP5, THCAT158, LINC01943, AC242842.1, AC083799.1, HLA-DQB1-AS1, and AL133371.2 were protective factors, whereas PCED1B-AS1 was a risk factor for patients with CM. The gene discussed is PCED1B; the disease is cutaneous mastocytosis.