Dr. Advait Kulkarni (Neurologist) neurologist near me neurologist in bengaluru #neurologistinbengaluru #neurologistnearme Diagnosis To help diagnose vitamin deficiency anemias, you might have blood tests that check for: • The number and appearance of red blood cells • The amount of vitamin B-12 and folate in the blood • The presence of antibodies to intrinsic factor, which indicates pernicious anemia