R47.01 Aphasia

Billable ICD-10-CM code, FY2026. Acts as a Complication or Comorbidity (CC) as a secondary diagnosis.

Excludes1 (never code together)

• aphasia following cerebrovascular disease (I69. with final characters -20)
• progressive isolated aphasia (G31.01)

Applies from R47 Speech disturbances, not elsewhere classified

Excludes1 (never code together)

• autism (F84.0)
• cluttering (F80.81)
• specific developmental disorders of speech and language (F80.-)
• stuttering (F80.81)

MS-DRG index

Defines the logic of DRG(s) 091-093 in MDC 01.

Approximate ICD-9-CM (GEMs)

• 784.3 Aphasia

Code annotations containing back-references to R47.01

Back-references to R47.01

• Type 1 Excludes: F80.0 Phonological disorder ("speech articulation impairment due to aphasia NOS (R47.01)")

Back-references to R47

• Type 1 Excludes: F80.1 Expressive language disorder ("dysphasia and aphasia NOS (R47.-)")
• Type 1 Excludes: F80.2 Mixed receptive-expressive language disorder ("dysphasia or aphasia NOS (R47.-)")

Diagnosis Index entries for R47.01

• Aphasia (amnestic) (global) (nominal) (semantic) (syntactic)
• Dysnomia

Nearby codes

• R47 Speech disturbances, not elsewhere classified
• R47.0 Dysphasia and aphasia
• R47.01 Aphasia (this code)
• R47.02 Dysphasia
• R47.1 Dysarthria and anarthria
• R47.8 Other speech disturbances
• R47.81 Slurred speech
• R47.82 Fluency disorder in conditions classified elsewhere