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Mean corpuscular volume (MCV) is the average volume of a red blood cell and is calculated by dividing the hematocrit (Hct) by the concentration of red blood cell count. [citation needed] = [] Normal range: 80–100 fL (femtoliter)
The mean corpuscular volume, or mean cell volume (MCV), is a measure of the average volume of a red blood corpuscle (or red blood cell). The measure is obtained by multiplying a volume of blood by the proportion of blood that is cellular (the hematocrit), and dividing that product by the number of erythrocytes (red blood cells) in that volume.
The mean corpuscular hemoglobin, or "mean cell hemoglobin" (MCH), is the average mass of hemoglobin (Hb) per red blood cell (RBC) in a sample of blood. It is reported as part of a standard complete blood count. MCH value is diminished in hypochromic anemias. [1] RBCs are either normochromic or hypochromic. They are never "hyperchromic".
Macrocytosis is a condition where red blood cells are larger than normal. [1] These enlarged cells, also known as macrocytes, are defined by a mean corpuscular volume (MCV) that exceeds the upper reference range established by the laboratory and hematology analyzer (usually >110 fL). [2]
Folate and vitamin B 12 deficiency anemia usually presents with high RDW and high MCV. Mixed-deficiency (iron + B 12 or folate) anemia usually presents with high RDW and variable MCV. Recent hemorrhages typically present with high RDW and normal MCV. A false high RDW reading can occur if EDTA anticoagulated blood is used instead of citrated blood.
mean corpuscular hemoglobin concentration: MCH: mean cell hemoglobin; mean corpuscular hemoglobin: MC&S: microscopy, culture, and sensitivity (the investigation steps in processing microbiology samples) MCTD: mixed connective tissue disease MCV: mean corpuscular volume: MDCT: multidetector row computerized tomography MDD: major depressive ...
Increased mean corpuscular volume (MCV, >100 fL) and mean corpuscular hemoglobin (MCH) Normal mean corpuscular hemoglobin concentration (MCHC, 32–36 g/dL) Decreased reticulocyte count due to destruction of fragile and abnormal megaloblastic erythroid precursor. The platelet count may be reduced. [8]
Reference ranges for urine tests are described below: Measurement Lower limit Upper limit Unit ... per High Power Field (HPF) RBC casts: n/a 0 / negative [2]