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Diagnosis of Chronic Fatigue Syndrome (CFS)
A diagnosis of chronic fatigue syndrome (CFS) is based on the following criteria:
If you have these symptoms, your doctor will conduct more tests. The tests will look for other causes of the symptoms. This may involve:
Your doctor will ask you for a detailed medical history. A complete physical exam will be done.
Standardized Lab Tests
You will receive a standard series of tests. This should help your doctor identify other possible causes of illness. If no cause is identified, your doctor may make a diagnosis of CFS.
The number and type of tests may vary depending on your history. The following tests are often used to exclude other causes of fatiguing illness:
If one of the tests above suggests an illness, your doctor may order more tests. This is done to confirm an illness other than CFS. Additional tests may include:
Your doctor may want to assess the impact of CFS on certain mental skills. You may have tests for your concentration, memory, and organization. You may also be given a personality assessment. This can help to determine your coping abilities. It is also done to identify any coexisting affective disorders. This includes depression, panic disorder, or other anxiety disorders.
Chronic Fatigue Syndrome Treatment. American Academy of Family Physicians Familydoctor website. Available at: http://familydocto.... Updated November 2010. Accessed December 28, 2012.
Chronic Fatigue Syndrome Diagnosis. Centers for Disease Control and Prevention website. Available at: http://www.cdc.gov/cfs/management/index.html. Updated May 16, 2012. Accessed December 28, 2012.
Chronic Fatigue Syndrome. EBSCO DynaMed website. Available at: https://dynamed.ebscohost.com/about/about-us. Updated November 10, 2012. Accessed December 28, 2012.
Craig T, Kakumanu S. Chronic fatigue syndrome: evaluation and treatment. Am Fam Physician. 2002;65:1083-1090. Available at: http://www.aafp.org/afp/2002/0315/p1083.html
Devanur LD, Kerr JR. Chronic fatigue syndrome. J Clin Virol. 2006;37:139-150.
Prins JB, van der Meer JW, Bleijenberg G. Chronic fatigue syndrome. Lancet. 2006;367:346-355.
Last reviewed November 2012 by Michael Woods, MD
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