Nucleated red blood cells (NRBCs) are immature blood cells that shouldn’t appear in adult blood. The optimal NRBC count is 0, and even very low counts may prompt further testing. If NRBCs are present ...

Alexandria Nyembwe is a registered nurse and health writer. She has worked in street medicine serving populations experiencing homelessness in Skid Row Los Angeles as well as in cardiovascular care in ...

A phlebotomist is a medical professional who draws your blood and collects samples for laboratory tests, transfusions, research, or blood donations. Phlebotomists are medical professionals who draw ...