Does rheumatology immunology examination need fasting?

Rheumatology and immunology include a wide range of diseases, such as rheumatoid arthritis, Sjogren's syndrome, systemic lupus erythematosus, spinal arthritis, polymyositis, dermatomyositis, primary vasculitis, osteoarthritis, gout, rheumatic fever, autoimmune liver disease, etc. Not only blood needs fasting, sometimes it is necessary to do abdominal color ultrasound is also needed fasting, so that if you come to the hospital for examination, it is recommended to come on an empty stomach in the morning, so as not to delay your time.