What do the results mean?If test results show your hematocrit levels are too low, it may indicate:AnemiaNutritional deficiency of iron, vitamin B-12, or folateKidney diseaseA bone marrow diseaseCertain cancers such as leukemia, lymphoma, or multiple myelomaIf test results show your hematocrit levels are too high, it may indicate:Dehydration, the most common cause of high hematocrit levels. Drinking more fluids will usually bring your levels back to normal.Lung diseaseCongenital heart diseasePolycythemia veraIf your results are not in the normal range, it doesn't necessarily mean that you have a medical condition requiring treatment. To learn more about your results, talk to your health care provider.Learn more about laboratory tests, reference ranges, and understanding results.
