| R41.0 | Disorientation, unspecified | BILLABLE CODE |
| R41.1 | Anterograde amnesia | BILLABLE CODE |
| R41.2 | Retrograde amnesia | BILLABLE CODE |
| R41.3 | Other amnesia | BILLABLE CODE |
| R41.4 | Neurologic neglect syndrome | BILLABLE CODE |
| R41.8 | Other symptoms and signs involving cognitive functions and awareness | NON-BILLABLE CODE |
| R41.81 | Age-related cognitive decline | BILLABLE CODE |
| R41.82 | Altered mental status, unspecified | BILLABLE CODE |
| R41.83 | Borderline intellectual functioning | BILLABLE CODE |
| R41.84 | Other specified cognitive deficit | NON-BILLABLE CODE |
| R41.840 | Attention and concentration deficit | BILLABLE CODE |
| R41.841 | Cognitive communication deficit | BILLABLE CODE |
| R41.842 | Visuospatial deficit | BILLABLE CODE |
| R41.843 | Psychomotor deficit | BILLABLE CODE |
| R41.844 | Frontal lobe and executive function deficit | BILLABLE CODE |
| R41.89 | Other symptoms and signs involving cognitive functions and awareness | BILLABLE CODE |
| R41.9 | Unspecified symptoms and signs involving cognitive functions and awareness | BILLABLE CODE |
