Why to get tested?
To evaluate the number of red blood cells (RBCs); used to screen for, help diagnose, or monitor conditions affecting red blood cells
When to get tested?
As part of a complete blood count (CBC), during a health examination, or when a health practitioner suspects that you have a condition such as anemia (decreased number of RBCs) or polycythemia (increased number of RBCs)
What sample needed?
A blood sample drawn from a vein in your arm or by a fingerstick (children and adults) or heelstick (newborns)
What preparation I need before test?