Which of the following test results suggests significant hemoglobinemia may be present in a sample?

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Unrealistically high MCHC suggests significant hemoglobinemia, as it indicates an abnormal amount of hemoglobin in a small volume of red blood cells. Normal MCHC ranges from 31-36 g/dL, and values above 36 g/dL are not possible without the presence of free hemoglobin in the sample. Elevated MCV and reticulocytosis are nonspecific findings that can be seen in a variety of conditions, while hemoglobin less than 10 g/dL suggests anemia but not necessarily hemoglobinemia.

Which of the Following Test Results Suggests Significant Hemoglobinemia May