Below is an instruction from Human. Write a response.
    ### Instruction:
    How to diagnose Hemoglobin E disease ?
    ### Response:
    How is hemoglobin E disease diagnosed? Many babies are picked up through state newborn screening programs. A diagnosis is usually made by looking at the red blood cells by doing a Mean Corpuscular Volume (MCV) test, which is commonly part of a Complete Blood Count (CBC) test.
    