How is ITP diagnosed?
Your doctor can begin to diagnose ITP by asking questions about your health and doing a physical exam. Your doctor may take a blood sample for a test that counts blood cells and platelets (called a CBC) or look at it under a microscope (called a blood smear). Your doctor may also want you to get a bone marrow exam to rule out other possible causes of your symptoms.
Many adults are only diagnosed with ITP when their blood is checked for another reason and a low blood platelet count is found.
Written by familydoctor.org editorial staff
Reviewed/Updated: 05/10
Created: 09/00