A member asked:

What does it mean to have an extremely high red blood cell count?

A doctor has provided 1 answer
Dr. Ed Kaplan answered

Specializes in Hematology and Oncology

"Polycythemia": May be secondary or primary. If you are at high altitudes, smoke cigarettes or are very dehydrated, could be high. Might need tests to see if you have a primary bone marrow problem like Polycythemia vera or chronic leukemia,

Answered 5/3/2016

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