What level of hemoglobin is dangerously low? Hemoglobin (Hb or Hgb) is a protein in red blood cells that carries oxygen throughout the body. A low hemoglobin count is generally defined as less than 13.5 grams of hemoglobin per deciliter (135 grams per liter) of blood for men andless than...
Typically, if the MCH level is below 26, this is considered too low. The MCH level can be too low due to the fact that of blood loss with time, too little iron in the body, or microcytic anemia. Microcytic anemia is a condition in which unusually small red cell are present. Smaller ...