What are the criteria used to define chronic fatigue syndrome at the current time?

Question

Quizplus · Accepted Answer

The current definition of chronic fatigue syndrome combines inclusion criteria (such as fatigue lasting at least six months) and exclusion criteria (such as ruling out other medical and psychological conditions that could explain the symptoms). Positive results on medical tests are not required to diagnose chronic fatigue syndrome, and there is no evidence that a past psychological condition is responsible for the symptoms.

What Are the Criteria Used to Define Chronic Fatigue Syndrome