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fatigue syndrome NOS
- Excludes1: postviral fatigue syndrome (G93.3)
- R53.83 Other fatigue
- Fatigue NOS
- Lack of energy
- Lethargy
- Tiredness
- Frailty
- Old age
- Senescence
- Senile asthenia
- Senile debility
- Excludes1: age-related cognitive decline (R41.81)
- senile psychosis (F03)
- senility NOS (R41.81)
R55 Syncope and collapse
- Includes: blackout
- fainting
- vasovagal attack
- Excludes1: cardiogenic shock (R57.0)
- carotid sinus syncope (G90.01)
- heat syncope (T67.1)
- neurocirculatory asthenia (F45.3)
- neurogenic orthostatic hypotension (G90.3)
- orthostatic hypotension (I95.1)
- postprocedural shock (T81.1)
- psychogenic syncope (F48.8)
- shock NOS (R57.9)
- shock complicating or following abortion or ectopic or molar pregnancy (O00-O07, O08.3)
- shock complicating or following labor and delivery (O75.1)
- Stokes-Adams attack (I45.9)
- unconsciousness NOS (R40.2-)
R56 Convulsions, not elsewhere classified
- Excludes1: dissociative convulsions and seizures (F44.5)
- epileptic convulsions and seizures (G40.-)
- newborn convulsions and seizures (P90)
- R56.0 Febrile convulsions
- R56.00 Simple febrile convulsions
- Febrile convulsion NOS
- Febrile seizure NOS
- R56.01 Complex febrile convulsions
- Atypical febrile seizure
- Complex
- R56.00 Simple febrile convulsions
