Long known as the âsunshine vitaminâ because the body makes it when skin is exposed to sunlight, vitamin D might now be dubbed the âsuperstar vitamin,â judging by the amount of attention it has garnered of late from researchers and the general public.
Clinical Information Discusses physiology, pathophysiology, and general clinical aspects, as they relate to a laboratory test. Vitamin B12 deficiency can be caused by many factors, one of which is pernicious anemia, a condition resulting in deficient production of intrinsic factor in the parietal cells of the stomach. Intrinsic factor is a protein that is needed to assist in the absorption of vitamin B12 into the small intestine.
Pregnancy may lead to anemia and needs to be ruled out as a cause of anemia. Laboratory tests for diagnosis of anemia. Diagnosis of anemia includes the following laboratory analyses and tests (1-5): A routine blood count. Blood sample taken from a vein in the arm is assessed for blood counts. Anemia is detected if the level of haemoglobin is lower than normal. There may be fewer red blood cells than normal.