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R41.82 Altered mental status, unspecified
BackR41Other symptoms and signs involving cognitive functions and awarenessCategory7 →R41.0Disorientation, unspecifiedCategoryR41.1Anterograde amnesiaCategoryR41.2Retrograde amnesiaCategoryR41.3Other amnesiaCategoryR41.4Neurologic neglect syndromeCategoryR41.8Other symptoms and signs involving cognitive functions and awarenessCategory6 →R41.81Age-related cognitive declineCategoryR41.82Altered mental status, unspecifiedCategoryR41.83Borderline intellectual functioningCategoryR41.84Other specified cognitive deficitCategory5 →R41.840Attention and concentration deficitCategoryR41.841Cognitive communication deficitCategoryR41.842Visuospatial deficitCategoryR41.843Psychomotor deficitCategoryR41.844Frontal lobe and executive function deficitCategoryR41.85AnosognosiaCategoryR41.89Other symptoms and signs involving cognitive functions and awarenessCategoryR41.9Unspecified symptoms and signs involving cognitive functions and awarenessCategory
CategoryCODABLE
R41.82
Altered mental status, unspecified
EXAMPLES
Change in mental status NOS
EXCLUDES
Excludes1: altered level of consciousness (R40.-)
altered mental status due to known condition - code to condition
delirium NOS (R41.0)
altered mental status due to known condition - code to condition
delirium NOS (R41.0)
- Chapter
- XVIII · Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Section
- R40-R46
- Valid from
Source
CMS ICD-10-CM Tabular List, edition FY2026.