Which laboratory test would be useful in the differential diagnosis of polycythemia?

Name: Which laboratory test would be useful in the differential diagnosis of polycythemia?
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Question

Quizplus · Accepted Answer

Elevated levels of erythropoietin (EPO) are typically found in secondary polycythemia, which can help differentiate it from primary polycythemia. In primary polycythemia, EPO levels are normal or even low. Therefore, testing for EPO levels can be useful in the differential diagnosis of polycythemia.

Which Laboratory Test Would Be Useful in the Differential Diagnosis