label: Increased circulating metamyelocyte count
label_lc: increased circulating metamyelocyte count
description: "The number of metamyelocytes in the peripheral blood circulation is above the upper limit of normal. Metamyelocytes are immature neutrophils with a size of 10-18 micrometers, an indented or kidney-shaped nucleus, pinkish-blue staining cytoplasm with secondary granules, and a nucleus:cytoplasm ratio of 1.5:1."