Experimental Factor Ontology entry EFO_1000836 (benign monoclonal gammopathy) is conditions characterized by the presence of M protein (Monoclonal protein) in serum or urine without clinical manifestations of plasma cell dyscrasia. Also known as: BMH, Monoclonal Gammopathy of Undetermined Significance, benign Monoclonal Gammopathy, benign monoclonal gammopathy (disorder).