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R47.01

R47.01: Aphasia

Billable / specific codeICD-10-CM

R47.01 is a billable, specific ICD-10-CM code for aphasia. It is valid for submission on a claim.

Check R47.01 with the rest of the claim: free scrubber

Excludes1: never code together

These conditions cannot occur together. Billing both on the same encounter is a denial.

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

Excludes1 inherited from the categories above R47.01

A category’s note binds every code beneath it.

Written on R47: Speech disturbances, not elsewhere classified

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

Other codes that can never be billed with R47.01

Their own Excludes1 notes name this code, so the conflict is not listed above.

  • F80.0Phonological disorder
  • F80.1Expressive language disorder
  • F80.2Mixed receptive-expressive language disorder

Risk adjustment

No CMS-HCC V28 category: this code does not change a RAF score.

Medicare coverage

R47.01 is named in 28 Medicare coverage policies: 28 listing it as supporting medical necessity. Which one applies depends on your Medicare contractor.

  • A52866Billing and Coding: Speech-Language Pathology
  • A52992Billing and Coding: Non-Invasive Cerebrovascular Arterial Studies
  • A53052Billing and Coding: Home Health Speech-Language Pathology
  • A54111Billing and Coding: Speech Language Pathology (SLP) Services: Communication Disorders

Alphabetic index entries that lead here

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

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under R47.0

ICD-10-CMFY2027· effective October 1, 2026

Loaded directly from the CMS/NCHS ICD-10-CM public-domain release: see data sources and our editorial policy. If this page disagrees with the CMS tabular list, this page is wrong. Reference information for professional coders; not medical or billing advice.