Warm autoimmune hemolytic anemia (wAIHA) is the most prevalent form of autoimmune hemolytic anemia (AIHA), accounting for 60% to 70% of all cases. In this special instructional series from Blood (ASH), five patient case studies and commentaries are examined, backed by visual illustrations and new/existing drug treatment tables for wAIHA, wAIHA secondary to CLL, and R/R wAIHA.