I had a RBC of 4.15 and hemoglobin of 12.6 last Monday. Today, one week later my RBC is 3.9 and hemoglobin is 12.3. I am a 50 yr female. Normal??
This is well within the normal limits of most laboratories.
There may be a reason your doctor was requesting this. If you continue to have symptoms or concerns contact your primary care doctor.