Complete blood count


  • Blood

  • White blood cell count (WBC): 4.5 -11 x 103/?/font>L
  • Red blood cell count (RBC)
    1. Male: 4.6-6.2 x 106/?/font>L
    2. Female: 4.2-5.4 x 106/?/font>L
  • Hemoglobin
    1. Male: 13.5-18 g/dl
    2. Female: 12-16 g/dl
  • Hematocrit
    1. Male: 40-54% (volume fraction)
    2. Female: 38-47% (volume fraction)
  • Red cell indices
    1. Mean corpuscular volume (MCV): 80-96 ?/font>m3
    2. Mean corpuscular hemoglobin (MCH): 27-31 pg
    3. Mean corpuscular hemoglobin concentration (MCHC): 32-36% (concentration fraction)
    4. Red cell distribution width (RDW-CV): 13.1%
  • Platelet count

- Adult: 150,000-450,000 cells/?/font>L

  • Reticulocyte count

- Adult: 25,000-75,000/?/font>L


  • To assess the patient for anemia, infection, inflammation, polycythemia, hemolytic disease, the effects of ABO among different types of anemia
  • To assess the severity of blood loss
  • To evaluate the bone marrow response to treatment of anemia

  • White cell count
    1. Infection
    2. Inflammation
    3. Leukemias
  • Red cell count
    1. Polycythemia
    2. Renal tumor
    3. Hemoconcentration
  • Hemoglobin
    1. Polycythemia
    2. Hemoconcentration
  • Hematocrit
    1. Polycythemia
    2. Hemoconcentration
  • Red cell indices
    1. MCV: Pernicious anemia, Vitamin B12 or Folate Deficiency
    2. MCV: Hereditary spherocytosis
    3. RDW: Microcytic Anemias
  • Platelets
    1. Myeloproliferative diseases
    2. Multiple Myeloma
    3. Iron Deficiency Anemia
    4. Postsplenectomy response
    5. Hodgkin's disease
    6. Lymphomas
    7. Renal disease
    8. Infection or inflammation
  • Reticulocytes
    1. Treatment for iron deficiency or pernicious anemia
    2. Hemorrhage
    3. Chronic blood loss
    4. Hemolytic anemia

  • Hematocrit
    1. Hemorrhage
    2. Anemia
    3. Hemolysis
    4. Hemodilution
  • Red cell indices
    1. MCV: Iron Deficiency Anemia
    2. Chronic inflammation
    3. MCH: Iron Deficiency Anemia
  • Platelets
    1. Idiopathic Thrombocytopenic Purpura
    2. Aplastic Anemia
    3. Anemias
    4. Dissemiated intravascular coagulation
    5. Bone marrow depression
    6. Systemic Lupus erythematosus
    7. Uremia
    8. Liver disease
  • Reticulocytes
    1. Aplastic Anemia
    2. Iron Deficiency Anemia
    3. Anemia of chronic disease
    4. Pernicious anemia
    5. Endocrine or renal disease

  • Hemolysis
  • Coagulation of the specimen
  • Hemodilution
  • Frequent blood transfusion