![]() New platelets are larger, and an increased MPV occurs when increased numbers of platelets are being produced. Mean platelet volume (MPV) is a machine-calculated measurement of the average size of your platelets. When the MCV is decreased, your RBCs are smaller than normal (microcytic), which may indicate iron deficiency anaemia, inflammation or occasionally thalassaemias. The MCV is elevated when your RBCs are larger than normal (macrocytic), for example in anaemia caused by vitamin B12 deficiency or folic acid deficiency. Mean corpuscular volume (MCV) is a measurement of the average size of your RBCs. Increased MCHC values (hyperchromia) are seen in conditions where the haemoglobin is abnormally concentrated inside the red cells, such as in hereditary or autoimmune spherocytosis. Decreased MCHC values (hypochromia) are seen in conditions where the haemoglobin is abnormally diluted inside the red cells, such as in iron deficiency anaemia, long standing inflammation or thalassaemia. Mean corpuscular haemoglobin concentration (MCHC) is a calculation of the concentration of haemoglobin inside the RBCs. Since macrocytic RBCs are larger than either normal or microcytic RBCs, they would also tend to have higher MCH values. Mean corpuscular haemoglobin (MCH) is a calculation of the amount of oxygen-carrying haemoglobin inside your RBCs. Haemoglobin carries oxygen from the lungs to the tissues and takes carbon dioxide (the waste products) from the tissues to the lungs. Haemoglobin (HGB) value – Haemoglobin gives red blood cells their colour. It is reported as a percentage (0 to 100) or a proportion (0 to 1). Haematocrit (HCT) value – This is the percentage of red blood cells in relation to your total blood volume in other words the amount of space red blood cells take up in the blood. Full Blood Count (FBC)Ī full blood count includes the following measurements: This guide will help explain what blood test results mean and what are the ranges of normal.ĬLL Ireland recommends that lab test results are reviewed and explained by a CLL clinician to ensure the relevance of the results to the treatment of your disease is properly explained to you. ![]() Lab test results have a lot of abbreviations and numbers.
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