A low hemoglobin level, or anemia, is commonplace in primary care practice. Less common, and sometimes more confusing, is an elevated hemoglobin level, or erythrocytosis.1,2
If you were afraid to ask how to define, classify, and work up erythrocytosis, here is a chance to get comfortable with this particular lab abnormality.
1. Lee G, Arcasoy MO. The clinical and laboratory evaluation of the patient with erythrocytosis. Eur J Intern Med. 2015;26:297-302.
2. Kremyanskaya M, Mascarenhas J, Hoffman R. Why does my patient have erythrocytosis? Hematol Oncol Clin North Am. 2012;26:267-283.