What does a 6.4 hemoglobin level mean?

Blood loss: When Hgb drops below 10 gm one has to be suspicious of blood loss but can be corrected by meds such as ProCrit (epoetin alfa). When Hgb is in the 8 gm. range transfusion necessary to bring to over 12. At 6.4 transfusion and work up for blood loss required. Can be vaginal from uterine lesion, GI from ulcer or tumor but this must be defined and corrected. Depending on symptoms appropriate physician needed.