R41.84 – Other specified cognitive deficit

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

Non-billable header

ICD-10-CM code R41.84

Code: R41.84 (claims format: R4184)
Description: Other specified cognitive deficit
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 › R41.8

Billable codes under R41.84

R41.84 is a header code and cannot be used on claims. Choose the most specific code:

R41.840 – Attention and concentration deficitBillable
R41.841 – Cognitive communication deficitBillable
R41.842 – Visuospatial deficitBillable
R41.843 – Psychomotor deficitBillable
R41.844 – Frontal lobe and executive function deficitBillable

Notes for R41.84

Excludes1 (not coded here):

cognitive deficits as sequelae of cerebrovascular disease (I69.01-, I69.11-, I69.21-, I69.31-, I69.81-, I69.91-)

Code first:

the underlying condition, if known, such as:
schizophrenia (F20.-)

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 R41.8

R41.81 – Age-related cognitive declineBillable
R41.82 – Altered mental status, unspecifiedBillable
R41.83 – Borderline intellectual functioningBillable
R41.85 – AnosognosiaBillable
R41.89 – Other symptoms and signs involving cognitive functions and awarenessBillable

Frequently asked questions

What is ICD-10 code R41.84?

R41.84 is the ICD-10-CM code for other specified cognitive deficit, in the block R40-R46 (Symptoms and signs involving cognition, perception, emotional state and behavior).

Is R41.84 a billable code?

No. R41.84 is a header code with more specific child codes; report one of the billable codes listed above.

What category does R41.84 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.