R41.840 Attention and concentration deficit

Billable ICD-10-CM code, FY2026.

Excludes1 (never code together)

• attention-deficit hyperactivity disorders (F90.-)

Applies from R41 Other symptoms and signs involving cognitive functions and awareness

Excludes1 (never code together)

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

Applies from R41.84 Other specified cognitive deficit

Excludes1 (never code together)

• 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.-)

MS-DRG index

Defines the logic of DRG(s) 886 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 799.51 Attention or concentration deficit

Code annotations containing back-references to R41.840

Back-references to R41.84

• Use Additional: F20 Schizophrenia ("other specified cognitive deficit (R41.84-)")

Diagnosis Index entries for R41.840

• Deficit › attention and concentration
• Deficit › concentration

Nearby codes

• R41.8 Other symptoms and signs involving cognitive functions and awareness
• R41.81 Age-related cognitive decline
• R41.82 Altered mental status, unspecified
• R41.83 Borderline intellectual functioning
• R41.84 Other specified cognitive deficit
• R41.840 Attention and concentration deficit (this code)
• R41.841 Cognitive communication deficit
• R41.842 Visuospatial deficit
• R41.843 Psychomotor deficit
• R41.844 Frontal lobe and executive function deficit
• R41.85 Anosognosia