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Hemoglobin and hematocrit. This is often the first screening test for anemia in children. It measures the amount of hemoglobin and red blood cells in the blood. Hematocrit (HCT) and packed cell volume (PCV) are used to measure red blood cell mass. An increase in red blood cell mass is equivalent to erythrocytosis. Jun 14, 2022 ... Hematocrit is a measurement of the volume of red cells in your blood. A doctor may check your hematocrit levels as part of a routine blood test. Whole blood from a full EDTA (lavender-top) tube. Alternative Specimen(s) ... Test Resources. Reference ranges are provided as general guidance only. To ... Hematocrit (HCT) has long been known to interfere with many glucose measurement technologies. ... Therefore, glucose meters are calibrated to provide accurate ... Influence of hematocrit and storage temperature on the stability of dried blood samples in serological analyses of tetanus, diphtheria, and pertussis. Testing HCT/P Donors for Relevant Communicable Diseases. ... Blood Safety & Availability · CBER-Regulated Products: Shortages and Discontinuations · Pandemics ... Each WIC clinic that does a hemoglobin or hematocrit test by taking a small blood sample must be licensed as a medical test site as required by state law. Sep 28, 2017 ... For men, a hematocrit level acceptable for blood donation is between 39%-60%. For women, that range is 38%-60%. Why does a low hematocrit level ... A health care professional may diagnose anemia of inflammation if blood test results suggest that you have anemia, a low level of iron in your blood, and a ...