autoimmune hemolytic anemia, cold type (Monarch Disease Ontology id MONDO_0016450) is cold autoimmune hemolytic anemia comprises two types of autoimmune hemolytic anemia (AIHA) defined by the presence of cold autoantibodies (autoantibodies which are active at temperatures below 30B0C): cold agglutinin disease (CAD), which is the more common, and paroxysmal cold hemoglobinuria (PCH). Also known as: cAHA, cAIHA, cold AIHA.