Code	Title
R00-R99	Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
R40-R46	Symptoms and signs involving cognition, perception, emotional state and behavior (R40-R46)
R41	Other symptoms and signs involving cognitive functions and awareness Type 1 Excludes dissociative [conversion] disorders (F44.-) mild cognitive impairment, so stated (G31.84)
R41.0	Disorientation, unspecified
R41.1	Anterograde amnesia
R41.2	Retrograde amnesia
R41.3	Other amnesia
R41.4	Neurologic neglect syndrome
R41.8	Other symptoms and signs involving cognitive functions and awareness
R41.81	Age-related cognitive decline
R41.82	Altered mental status, unspecified
R41.83	Borderline intellectual functioning
R41.84	Other specified cognitive deficit
R41.840	Attention and concentration deficit
R41.841	Cognitive communication deficit
R41.842	Visuospatial deficit
R41.843	Psychomotor deficit
R41.844	Frontal lobe and executive function deficit
R41.89	Other symptoms and signs involving cognitive functions and awareness
R41.9	Unspecified symptoms and signs involving cognitive functions and awareness