Diagnosis of Chronic Fatigue Syndrome (CFS)
by Michael Jubinville, MPH
CFS can be hard to diagnose. It may take some time. This can feel frustrating. But, you can work to help ease your symptoms while you're waiting
The doctor will ask about your symptoms. You will also be asked about your family and health past. There are no standard tests for CFS. But, tests may be done to rule out other issues. People with CFS often have normal physical exams and test results.
If your tests are normal, the doctor may start to think you have CFS. The Institute of Medicine uses certain lists to diagnose CFS.
You must have all of these:
Also, you must have one or both of these:
The tests you have are based on your health past, physical exam, and symptoms. Not everyone will have all tests. You may have:
Blood and Urine Tests
Blood tests may be done to check:
Urine tests can help to find infections or changes in the kidneys.
Psychological and Neurological Tests
The doctor may want to test mental skills. You may have tests for concentration, memory, and organization. A personality test can help to find out about your coping abilities. It's also done to look for any mental health problems such as:
You may have:
Chronic fatigue syndrome. EBSCO DynaMed Plus website. Available at: http://www.dynamed.... Updated September 10, 2018. Accessed February 8, 2019.
Chronic fatigue syndrome. Merck Manual Professional Version website. Available at: https://www.merckmanuals.com/professional/special-subjects/chronic-fatigue-syndrome/chronic-fatigue-syndrome. Updated July 2018. Accessed February 8, 2019.
Committee on the Diagnostic Criteria for Myalgic Encephalomyelitis/Chronic Fatigue Syndrome, Board on the Health of Select Populations, Institute of Medicine. Beyond myalgic encephalomyelitis/chronic fatigue syndrome: redefining an illness. Beyond Myalgic Encephalomyelitis/Chronic Fatigue Syndrome: Redefining an Illness. Washington (DC): National Academies Press (US); 2015 Feb 10. Available at: https://www.ncbi.nlm.nih.gov/books/NBK274235.
Diagnosis of ME/CFS. Centers for Disease Control and Prevention website. Available at: https://www.cdc.gov/me-cfs/symptoms-diagnosis/diagnosis.html. Updated July 12, 2018. Accessed February 8, 2019.
Last reviewed December 2018 by EBSCO Medical Review Board Marcin Chwistek, MD
Last Updated: 2/8/2019
EBSCO Information Services is fully accredited by URAC. URAC is an independent, nonprofit health care accrediting organization dedicated to promoting health care quality through accreditation, certification and commendation.
This content is reviewed regularly and is updated when new and relevant evidence is made available. This information is neither intended nor implied to be a substitute for professional medical advice. Always seek the advice of your physician or other qualified health provider prior to starting any new treatment or with questions regarding a medical condition.
To send comments or feedback to our Editorial Team regarding the content please email us at email@example.com. Our Health Library Support team will respond to your email request within 2 business days.