Certain infectious and parasitic diseases

Symptoms and signs involving cognition, perception,
emotional state and behaviour
(R40-R46)
Excludes: those constituting part of a pattern of mental disorder ( F00-F99 )
R40 Somnolence, stupor and coma
Excludes: coma:
· diabetic ( E10-E14 with common fourth character .0)
· hepatic ( K72.- )
· hypoglycaemic (nondiabetic) ( E15 )
· neonatal ( P91.5 )
· uraemic ( N19 )
R40.0 Somnolence
Drowsiness
R40.1 Stupor
Semicoma
Excludes: stupor:
· catatonic ( F20.2 )
· depressive ( F31-F33 )
· dissociative ( F44.2 )
· manic ( F30.2 )
R40.2 Coma, unspecified
Unconsciousness NOS
R41 Other symptoms and signs involving cognitive functions and
awareness
Excludes: dissociative [conversion] disorders ( F44.- )
R41.0 Disorientation, unspecified
Confusion NOS
Excludes: psychogenic disorientation ( F44.8 )
R41.1 Anterograde amnesia
R41.2 Retrograde amnesia
R41.3 Other amnesia
Amnesia NOS
Excludes: amnesic syndrome:
· due to psychoactive substance use ( F10-F19 with common fourth
character .6)
· organic ( F04 )
transient global amnesia ( G45.4 )
R41.8 Other and unspecified symptoms and signs involving cognitive functions and
awareness
596 WHO’s ICD-10