Friday, August 31, 2012

Reading a CBC, MCHC / Mean Corpuscular Hemoglobin Concentration

MCHC or Mean Corpuscular Hemoglobin Concentration is the average amount of hemoglobin in the red blood cells.  It is usually a machine-determined value, but it can be estimated like this:
MCHC = (Hb / PCV) X 100

Increased MCHC:
-Machine error: there is no such thing as hyperchromic RBC's

Decreased MCHC:-Regenerative anemia: immature cells have less hemoglobin than mature cells, so a low MCHC can indicate regenerative anemia.  MCV, reticulocytes, and nRBC's should also be looked at as well to confirm that the cause of the low MCHC is regenerative anemia.

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