If adults have nucleated red blood cells (NRBCs) in their blood, it’s usually a sign of a life threatening condition. The optimal NRBC count is 0. Even very low NRBC counts could cause a doctor ...

Nat Clin Pract Neurol. 2006;2(9):482-493.

There are a few different lab tests that can detect internal bleeding. A blood test can show if someone has anemia (low red blood cells) due to blood loss. A stool sample can be tested for occult ...