R41.82Billable
Altered mental status, unspecified
- Chapter
- 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified
- Category
- R41
- Effective date
- October 1, 2026
Related codes in category R41
R41Oth symptoms and signs w cognitive functions and awarenessR41.0Disorientation, unspecifiedYesR41.1Anterograde amnesiaYesR41.2Retrograde amnesiaYesR41.3Other amnesiaYesR41.4Neurologic neglect syndromeYesR41.8Oth symptoms and signs w cognitive functions and awarenessR41.81Age-related cognitive declineYesR41.83Borderline intellectual functioningYesR41.84Other specified cognitive deficitR41.840Attention and concentration deficitYesR41.841Cognitive communication deficitYes
Frequently asked questions
What is ICD-10 code R41.82?
R41.82 is an ICD-10-CM diagnosis code for Altered mental status, unspecified.
Is R41.82 a billable code?
Yes. R41.82 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is R41.82 in?
R41.82 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R41.82 become effective?
R41.82 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to R41.82?
R41.82 belongs to category R41, which includes 12 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.