Low levels of hemoglobin indicate the presence of anemia, and the reason for the anemia should be determined. Hemoglobin (abbreviated Hgb or Hb) is the protein molecule in red blood cells that carries oxygen from the lungs to the body's tissues and returns carbon dioxide from the tissues back...
Total bilirubin levels can be broken into direct bilirubin, which is excreted primarily via the intestinal tract, and indirect bilirubin, which circulates primarily in the bloodstream. Total bilirubin levels increase with any type of jaundice; direct and indirect bilirubin levels help differentiate the...