ICD-11 classes
21 Symptoms, signs or clinical findings, not elsewhere...
Mental or behavioural symptoms, signs or clinical findings
MB22 — Symptoms or signs involving motivation or energy
MG22 — Fatigue
ICD-11 MG22 — Fatigue
A feeling of exhaustion, lethargy, or decreased energy, usually experienced as a weakening or depletion of one's physical or mental resource and characterised by a decreased capacity for work and reduced efficiency in responding to stimuli. Fatigue is normal following a period of exertion, mental or physical, but sometimes may occur in the absence of such exertion as a symptom of health conditions.
It includes 2 items.
- General physical deterioration
- Lethargy
It excludes 12 items.
- Combat fatigue (QE84)
- Exhaustion due to exposure (NF07.2)
- heat exhaustion (NF01)
- Bodily distress disorder (6C20)
- Depressive disorders (6A70-6A7Z)
- Sleep-wake disorders (7A00-7B2Z)
- Bipolar or related disorders (6A60-6A6Z)
- senile fatigue (MG2A)
- Chronic fatigue syndrome (8E49)
- Myalgic encephalomyelitis (8E49)
- Postviral fatigue syndrome (8E49)
- pregnancy-related exhaustion and fatigue (JA65)
It has no clarifying diagnoses.
The diagnosis is coded elsewhere:
- General symptoms #25035