FCGR1A and neutropenia: In a study investigating the role of neutrophil CD64 in combination with hematologic criteria in neonatal sepsis, Streimish et al. demonstrated a sensitivity, specificity, positive predictive value and negative predictive value for thrombocytopenia and neutropenia to diagnose late-onset sepsis of 56%, 73%, 21%, and 93%, and 59%, 22%, 9%, and 81%, respectively [18].