MCMedicalCodingSoftware
F80.81

F80.81: Childhood onset fluency disorder

Billable / specific codeICD-10-CM

F80.81 is a billable, specific ICD-10-CM code for childhood onset fluency disorder. It is valid for submission on a claim.

Check F80.81 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.

  • adult onset fluency disorder (F98.5)
  • fluency disorder in conditions classified elsewhere (R47.82)
  • fluency disorder (stuttering) following cerebrovascular disease (I69. with final characters -23)

Inclusion terms

Alternative wordings a physician may use in the chart for this same code.

  • Cluttering NOS
  • Stuttering NOS

Other codes that can never be billed with F80.81

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

  • F98.5Adult onset fluency disorder
  • R47Speech disturbances, not elsewhere classified
  • R47.82Fluency disorder in conditions classified elsewhere

Risk adjustment

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

Medicare coverage

F80.81 is named in 15 Medicare coverage policies: 13 listing it as supporting medical necessity, and 2 listing it as NOT covered. Which one applies depends on your Medicare contractor.

  • A52434Health and Behavior Assessment/Intervention – Medical Policy Articlenot covered
  • A56865Billing and Coding: Psychiatric Inpatient Hospitalizationnot covered
  • A52866Billing and Coding: Speech-Language Pathology
  • A53052Billing and Coding: Home Health Speech-Language Pathology

Alphabetic index entries that lead here

  • Cluttering
  • Stammering
  • Stuttering
  • Stuttering›childhood onset
  • Disorder›fluency›childhood onset

Code history

Unchanged in every release from FY2024 to FY2027.

Other codes under F80.8

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.