There's no single test to confirm a diagnosis of chronic fatigue syndrome. A variety of medical tests are done to rule out other health problems that have similar symptoms.
CFS and Myalgic Encephalomyelitis (ME)
Some people believe that CFS and ME are two separate conditions while others believe that the two conditions are the same but symptoms are different. Myalgic means muscle aches or pains and Encephalomyelitis is inflammation of the brain and spinal cord.