Whole blood hemoglobin concentration is one of the items of routine blood examination. Other related items include hematocrit, white blood cell count, platelet count, and blood picture examination. The specimen can be collected from venous blood or skin blood. The reference interval is 180~190g for newborns. /L; adult males 131~172g/L; females 113~151g/L; >70-year-old males 94~122g/L; females 87~112g/L.
The main clinical utility is suitable for the identification and diagnosis of diseases such as anemia and polycythemia. The hemoglobin concentration is often parallel to the red blood cell count, and the clinical significance of the two is basically the same. In healthy people, the hemoglobin concentration is the highest at 8:00 a.m. every day and the lowest at 8:00 p.m.; heavy smokers are relatively high; children, elderly , Pregnant women, the hemoglobin concentration is slightly lower.
The hemoglobin measurement is a better indicator of the degree of anemia than the red blood cell count. Once anemia is identified, further investigations are needed to find the cause, such as iron deficiency, bone marrow diseases and diseases affecting the bone marrow such as cancer, inherited enzyme deficiencies, acute and chronic blood loss, hemolysis Sexual diseases, etc.