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RBC - Red blood cells
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Hemoglobin is a protein used by red blood cells to distribute oxygen to other tissues and cells in the body. Low levels indicate anemia.
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Percent of your blood that is occupied by red blood cells. Good indicator of anemia.
Measures the size of red blood cells. Larger or smaller than normal red blood cells may indicate anemia.
Measures the amount of hemoglobin in red blood cells. Both hemoglobin and hematocrit are used to calculate this number. Low levels indicate anemia.
Measures the amount of hemoglobin in red blood cells. Both HGB and HCT are used to calculate this number. Low level indicates anemia.
Measures the range of sizes of red blood cells in a blood sample. RDW results are often used together with MCV results to determine possible cause of anemia when anemia is indicated by other test results.
Platelets are cells produced by the bone marrow to help your blood clot in order to stop bleeding from injury. Decreased platelet count is called thrombocytopenia.
Measures the average volume (size) of your platelets. Higher-than-normal MPV is associated with an increased risk of heart attacks and stroke.
Measures the amount of white blood cells. These immune cells form in the bone marrow to help fight infection. High levels may indicate infection. Low levels may result from treatment or disease.
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About WBC Lab Tests online | Medline Plus
Peripheral Blood Reference Range Chart PDF
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Neutrophils
Ref. Range between 38% and 80% of the WBC
Most common granulocyte (55-70% of all leukocytes are neutrophils) Attracted to sites of injury and infection. Percentage is often increased during a bacterial infection. A low number (neutropenia) increases risk of bacterial infection. Multiplying the percentage of neutrophils by the total number of white blood cells will give the "absolute" number of these types of cells.
Neutrophil Count (Absolute) Ref. Range 1.8 - 7 (x1-3uL)
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Lymphocytes %
Ref. Range between 15% and 40% of the WBC
Include T-cells, B-cells, and natural killer (NK) cells.
Viral infections may increase their number.
Lymphocyte Count (Absolute)
Ref. Range 1000 - 3500
Multiply the Lymphocytes% above by the total number WBC
Absolute lymphocyte count predicts overall survival in follicular lymphomas.
Br J Haematol. 2006 Sep;134(6):596-601. Epub 2006 Aug 1. PMID: 16889618About low lymphocyte counts: nhlbi.nih.gov/
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Monocytes
Ref. Range 0.0 - 13.0
Monocytes are a type of phagocyte. These mature into macrophages, important germ eating cells. A low number can put you at a higher risk of getting sick from an infection, particularly those caused by bacteria.
Monocyte Count (Absolute)
Ref. Range 40 - 900
Multiply Monocytes% by the WBC
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Eosinophils %
Ref. Range 0.0 - 8.0
A type of phagocyte that produces the anti-inflammatory protein histamine.
A high number indicates allergies or parasitic infections.
Eosinophil Count (Absolute)
Ref. Range 30 - 600
Multiply Eosinophils% by the WBC
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Basophils %
Ref. Range 0.0 - 2.0
Control inflammation and damage of tissues in the body.
Basophil Count (Absolute)
Ref. Range 40 - 900
Multiply Basophils% by the WBC
Your doctor will sometimes schedule a Complete Blood Count (CBC) blood test to monitor your health, watch for indirect indications of disease direction, and side effects of treatment.