R41.3 Other amnesia

Billable ICD-10-CM code, FY2026.

Applicable to

• Amnesia NOS
• Memory loss NOS

Excludes1 (never code together)

• amnestic disorder due to known physiologic condition (F04)
• amnestic syndrome due to psychoactive substance use (F10-F19 with 5th character .6)
• mild memory disturbance due to known physiological condition (F06.8)
• transient global amnesia (G45.4)

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)

MS-DRG index

Defines the logic of DRG(s) 947-948 in MDC 23.

Approximate ICD-9-CM (GEMs)

• 780.93 Memory loss (approximate)

Code annotations containing back-references to R41.3

Back-references to R41.3

• Type 1 Excludes: F04 Amnestic disorder due to known physiological condition ("amnesia NOS (R41.3)")
• Type 1 Excludes: F44.0 Dissociative amnesia ("amnesia NOS (R41.3)")
• Type 1 Excludes: G45.4 Transient global amnesia ("amnesia NOS (R41.3)")

Diagnosis Index entries for R41.3

• Amnesia

Nearby codes

• R41 Other symptoms and signs involving cognitive functions and awareness
• R41.0 Disorientation, unspecified
• R41.1 Anterograde amnesia
• R41.2 Retrograde amnesia
• R41.3 Other amnesia (this code)
• R41.4 Neurologic neglect syndrome
• 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