R48.0 Dyslexia and alexia

Billable ICD-10-CM code, FY2026.

Applies from R48 Dyslexia and other symbolic dysfunctions, not elsewhere classified

Excludes1 (never code together)

• specific developmental disorders of scholastic skills (F81.-)

MS-DRG index

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

Approximate ICD-9-CM (GEMs)

• 315.01 Alexia (approximate)
• 784.61 Alexia and dyslexia (approximate)

Code annotations containing back-references to R48.0

Back-references to R48.0

• Type 1 Excludes: F81.0 Specific reading disorder ("alexia NOS (R48.0)")
• Type 1 Excludes: F81.0 Specific reading disorder ("dyslexia NOS (R48.0)")

Diagnosis Index entries for R48.0

• Agraphia (absolute) › with alexia
• Alexia
• Alexia › secondary to organic lesion
• Blindness (acquired) (congenital) (both eyes) › word (developmental) › acquired
• Blindness (acquired) (congenital) (both eyes) › word (developmental) › secondary to organic lesion
• Disorder (of) › learning (specific) › alexia
• Disorder (of) › reading
• Dyslexia

Nearby codes

• R48 Dyslexia and other symbolic dysfunctions, not elsewhere classified
• R48.0 Dyslexia and alexia (this code)
• R48.1 Agnosia
• R48.2 Apraxia
• R48.3 Visual agnosia
• R48.8 Other symbolic dysfunctions
• R48.9 Unspecified symbolic dysfunctions