Multiple choice Which of the following parameters is refered to as haematocrit value? ESR PCV MCV MCH MCHC Reveal answer Fill a bubble to check yourself B Correct answer Explanation Haematocrit is a measure of the percentage of red blood cells to the total blood volume. It is also called packed cell volume or PCV. It is used to evaluate anemia, blood loss, haemolytic anemia and polycythemia.