Erythropoietin 750 U/L is a large degree of elevation, but to determine whether it is serious or not, it is necessary to carry out further examination by a specialized doctor to determine. 1. Clinically, the normal range of erythropoietin is 25~75U/L, so erythropoietin 750U/L has exceeded the normal range more, should be alerted to the possibility of disease. 2. Erythropoietin is elevated in iron deficiency anemia, aplastic anemia, chronic obstructive pulmonary disease, hypertension and other problems. The erythropoietin test alone can’t tell you whether it’s serious or not. Clinically, it’s usually necessary to combine the patient’s clinical manifestations and further auxiliary tests with the help of a specialized doctor to determine whether it’s serious or not. To summarize, erythropoietin 750 U/L is a large degree of elevation, if you want to determine whether it is serious or not, you need to consult a doctor in time.