ICD-10-CM · Chapter 18 · R00–R99
R41.82
Altered mental status, unspecified
Symptoms, signs and abnormal clinical and laboratory findings
Quick facts
- Code
- R41.82
- Type
- Billable code
- ICD-10-CM chapter
- Chapter 18 — Symptoms, signs and abnormal clinical and laboratory findings
- Category
- R41 — Other symptoms and signs involving cognitive functions and awareness
- Specificity
- 5 characters
How coders use this code
ICD-10-CM R41.82 is a billable, fully specified code, so it can be reported directly on a claim to document a diagnosis of altered mental status, unspecified. Coders assign it when the chart documentation supports this level of detail, always matching to the most specific code available and verifying against the chapter-specific guidelines published annually by NCHS/CMS.
Related codes in R41
- R41Other symptoms and signs involving cognitive functions and awareness
- R41.0Disorientation, unspecified
- R41.1Anterograde amnesia
- R41.2Retrograde amnesia
- R41.3Other amnesia
- R41.4Neurologic neglect syndrome
- R41.8Other symptoms and signs involving cognitive functions and awareness
- R41.81Age-related cognitive decline
- R41.83Borderline intellectual functioning
- R41.84Other specified cognitive deficit
- R41.840Attention and concentration deficit
- R41.841Cognitive communication deficit
- R41.842Visuospatial deficit
- R41.843Psychomotor deficit
- R41.844Frontal lobe and executive function deficit
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