R41.8 – Other symptoms and signs involving cognitive functions and awareness

ICD-10-CM 2027 diagnosis code · Symptoms and signs involving cognition, perception, emotional state and behavior

Non-billable header

ICD-10-CM code R41.8

Code: R41.8 (claims format: R418)
Description: Other symptoms and signs involving cognitive functions and awareness
Short description: Oth symptoms and signs w cognitive functions and awareness
Billable: No – use a more specific code below
Valid for: Dates of service October 1, 2026 – September 30, 2027 (FY2027)
Chapter: 18. Symptoms, signs and abnormal clinical and laboratory findings, not elsewhere classified (R00-R99)
Block: R40-R46 Symptoms and signs involving cognition, perception, emotional state and behavior
Parent codes: R41

Billable codes under R41.8

R41.8 is a header code and cannot be used on claims. Choose the most specific code:

R41.81 – Age-related cognitive declineBillable
R41.82 – Altered mental status, unspecifiedBillable
R41.83 – Borderline intellectual functioningBillable
R41.84 – Other specified cognitive deficitHeader (more codes below)
R41.85 – AnosognosiaBillable
R41.89 – Other symptoms and signs involving cognitive functions and awarenessBillable

Notes inherited from parent codes

Instructional notes at a category or block level apply to every code below it.

R41 – Other symptoms and signs involving cognitive functions and awareness

Excludes1 (not coded here):

dissociative [conversion] disorders (F44.-)
mild cognitive impairment of uncertain or unknown etiology (G31.84)

Block R40-R46

Excludes2 (not included here):

symptoms and signs constituting part of a pattern of mental disorder (F01-F99)

Related codes in R41

R41.0 – Disorientation, unspecifiedBillable
R41.1 – Anterograde amnesiaBillable
R41.2 – Retrograde amnesiaBillable
R41.3 – Other amnesiaBillable
R41.4 – Neurologic neglect syndromeBillable
R41.9 – Unspecified symptoms and signs involving cognitive functions and awarenessBillable

Frequently asked questions

What is ICD-10 code R41.8?

R41.8 is the ICD-10-CM code for other symptoms and signs involving cognitive functions and awareness, in the block R40-R46 (Symptoms and signs involving cognition, perception, emotional state and behavior).

Is R41.8 a billable code?

No. R41.8 is a header code with more specific child codes; report one of the billable codes listed above.

What category does R41.8 belong to?

It belongs to category R41 – Other symptoms and signs involving cognitive functions and awareness.

Source: CDC/NCHS ICD-10-CM FY2027 code files, tabular list and index. Reference only – code assignment must follow the official ICD-10-CM guidelines and documentation in the medical record.