Discordance in Lamellar Body Counts Between Sysmex XS-1000 and Sysmex XE-5000 Analyzers

Respiratory distress syndrome, the ninth leading cause of newborn mortality in the US, is caused by fetal lung immaturity due to pulmonary surfactant deficiency. Accordingly, the American College of Obstetrics and Gynecology recommends fetal lung maturity (FLM) testing at <39 weeks gestation. Lamellar body counts (LBC) are often employed for FLM assessment. Most studies established …