CPT only copyright 2011 American Medical Association. Page 2 of 5 What You Need to Know This article explains the difference between a National Provider Identifier (NPI) and a Provider Transaction Access Number (PTAN). There are no policy changes in this article.
For people with aggressive B cell non-Hodgkin lymphoma, we commonly recommend a chemotherapy treatment called R-CHOP. It is named after the medicines included in the mixture: rituximab (RituxanÂ®), a monoclonal antibody that helps your immune system destroy the cancer cells and makes the chemotherapy more powerful
Non-Hodgkin lymphoma is a type of cancer that forms in the lymph system, which is part of the body's immune system. The immune system protects the body from foreign substances, infection, and diseases. Lymph: Colorless, watery fluid that carries white blood cells called lymphocytes through the lymph system.