Also known as : Hgb ; Hb ; H and H ( Hemoglobin and Hematocrit )
Formal name : Hemoglobin
Related tests : Complete Blood Count ( CBC ) , Hematocrit , Red Blood Cell Count , Blood Smear , Iron Tests , Reticulocyte Count , Vitamin B12 and Folate , Red Cell Indices , Bone Marrow Aspiration and Biopsy , G6PD , Erythropoietin , Hemoglobin Variants .
Why should I do it ?
To evaluate the hemoglobin content of your blood as part of a general health checkup ; to screen for and help diagnose conditions that affect red blood cells ( RBCs ) ; if you have anemia or polycythemia , to assess the severity of these conditions and to monitor response to treatment .
When should I do it ?
With a hematocrit or as part of a complete blood count ( CBC ) , which may be ordered as part of a general health screen ; when your doctor suspects that you have a condition such as anemia ( decreased hemoglobin ) or polycythemia ( increased hemoglobin ) ; at regular intervals to monitor disease or response to treatment
What Kind of Sample is Needed ?
A blood sample drawn from a vein in your arm or by a fingerstick ( children and adults ) or heelstick ( newborns )
Test Preparation Needed ?