Expert Consensus Panel Clinical Case Definition for ME/CFS
in the Journal of Chronic Fatigue Syndrome, Vol. 11 (1) 2003
The following links describe the diagnostic
criteria and differential diagnosis of M.E.
(note: differential diagnosis means
illnesses to rule out)
You should know that there are several
definitions to describe M.E. and they are continually being modified.
In addition, the definitions for CFS and CFIDS are also different than
that of M.E.
Current discussions continue regarding
a definition for research purposes and a different, less rigid definition
for clinical purposes.
is NOT chronic fatigue syndrome or M.E.!
syndrome or M.E. is NOT just chronic fatigue!
A diagnosis for any
medical condition must be
made by a qualified
The Waterloo Wellington
assumes no liability
for the diagnosis of any medical condition.
Begin with the following link and
then move down the list to the
others for more information on obtaining
a correct diagnosis.
illnesses could cause fatigue?
Revised Case Definition
Chronic Fatigue Syndrome (CFS)
The Differential Diagnosis
Patients Presenting with CFS:
link provides "... the text of definitions
of M.E. as published in six papers
the name was coined in 1956."
most recent was 1994, near the bottom of the page)
the USA CDC
Fatigue Syndrome, Fibromyalgia Syndrome,
Chemical Sensitivity & Gulf War Syndrome.
MCS Referral & Resources
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Wellington Myalgic Encephalomyelitis Association.
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