Anemia is a condition where there are not enough red blood cells. The red blood cells transport oxygen throughout the body. The majority of anemia cases are either hereditary (not ratable) or caused by another condition, like hypothyroidism. If the anemia is caused by another condition, then only that other condition can be rated. The anemia is considered a symptom of that condition, and thus is covered under a rating for that condition. All other types of Chronic anemia can be rated under one of the following codes: