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F98.5

Billable

Adult onset fluency disorder

F98.5 is the ICD-10-CM code for Adult onset fluency disorder. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
F01-F99
Parent
F98
Edition
FY2026

F01-F99 Mental, Behavioral and Neurodevelopmental disorders

Excludes1 — not coded here

  • •childhood onset fluency disorder (F80.81)
  • •dysphasia (R47.02)
  • •fluency disorder in conditions classified elsewhere (R47.82)
  • •fluency disorder (stuttering) following cerebrovascular disease (I69. with final characters -23)
  • •tic disorders (F95.-)

Frequently asked questions

What is ICD-10 code F98.5?
F98.5 is the ICD-10-CM code for "Adult onset fluency disorder". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
Is F98.5 a billable code?
Yes — F98.5 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from F98.5?
Excludes1 (not coded here): childhood onset fluency disorder (F80.81); dysphasia (R47.02); fluency disorder in conditions classified elsewhere (R47.82); fluency disorder (stuttering) following cerebrovascular disease (I69. with final characters -23).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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