F98.5

Adult onset fluency disorder

Billable / specific

F98.5 is a billable, specific ICD-10-CM code that can be used to indicate a diagnosis for reimbursement purposes in FY2027.

Inclusion terms

Includes (from F98)

  • disorders of psychological development
  • Note: Codes within categories F90-F98 may be used regardless of the age of a patient. These disorders generally have onset within the childhood or adolescent years, but may continue throughout life or not be diagnosed until adulthood

Excludes1

Not coded here — never report together with this code.

  • 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.-)

Excludes2

Not included here — may be reported together when both conditions exist.

  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99) (from F98)
  • breath-holding spells (R06.89) (from F98)
  • gender identity disorder of childhood (F64.2) (from F98)
  • Kleine-Levin syndrome (G47.13) (from F98)
  • obsessive-compulsive disorder (F42.-) (from F98)
  • sleep disorders not due to a substance or known physiological condition (F51.-) (from F98)

Also known as

  • Disorder, fluency, adult onset
  • Stuttering, adult onset

Parent code

  • F98Other behavioral and emotional disorders with onset usually occurring in childhood and adolescenceHeader

Related codes

  • F98.0Enuresis not due to a substance or known physiological conditionBillable
  • F98.1Encopresis not due to a substance or known physiological conditionBillable
  • F98.2Other feeding disorders of infancy and childhoodHeader
  • F98.3Pica of infancy and childhoodBillable
  • F98.4Stereotyped movement disordersBillable
  • F98.8Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescenceBillable
  • F98.9Unspecified behavioral and emotional disorders with onset usually occurring in childhood and adolescenceBillable

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