label: Diminished neutrophil myeloperoxidase activity
label_lc: diminished neutrophil myeloperoxidase activity
description: "Activity of the enzyme myeloperoxidase (EC 1.11.1.7) in neutrophils below the lower limit of normal. This feature can be measured by peroxidase cytochemistry or biochemical assays. Myeloperoxidase is a lysosomal hemoprotein located in the azurophilic granules of polymorphonuclear leukocytes and monocytes."