R41.84Header code — not billable
Other specified cognitive deficit
- 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 declineYesR41.82Altered mental status, unspecifiedYesR41.83Borderline intellectual functioningYesR41.840Attention and concentration deficitYesR41.841Cognitive communication deficitYes
Frequently asked questions
What is ICD-10 code R41.84?
R41.84 is an ICD-10-CM diagnosis code for Other specified cognitive deficit.
Is R41.84 a billable code?
No. R41.84 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is R41.84 in?
R41.84 falls under Chapter 18: Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified.
When did R41.84 become effective?
R41.84 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to R41.84?
R41.84 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.