Chronic fatigue, unspecified

Chronic Fatigue

Is often referred to as a disease: the chronic fatigue syndrome (CFS), a distinct disorder with specific symptoms and physical signs, based on the exclusion of other possible causes.

The condition is characterized by the primary symptom of a prolonged, persistent debilitating fatigue not relieved by rest and not directly caused by other conditions. In general, a diagnosis for CFS requires that the tiredness is severe enough for at least a 50% decrease in the patient’s ability to participate in ordinary activities.

Many rare diseases have unexplained chronic fatigue, which should be taken seriously.

That is why this disease module added.

Last modified
13 April 2021

R53.82 Chonic fatigue

Rare Condition


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