Coding and coverage · ICD-10-CM

F98

F98.4 Stereotyped movement disorders

BillableNo payment HCCChapter 5
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Instructional notes

Chapter 5

Excludes2Not included here: the patient may have both; report both when both are present.
  • symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)
Includes
  • disorders of psychological development

Section F90-F98

Notes
  • 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

F98

Excludes2Not included here: the patient may have both; report both when both are present.
  • breath-holding spells (R06.89)
  • gender identity disorder of childhood (F64.2)
  • Kleine-Levin syndrome (G47.13)
  • obsessive-compulsive disorder (F42.-)
  • sleep disorders not due to a substance or known physiological condition (F51.-)

This code

Excludes1Not coded here: never report with this code, except when the two conditions are unrelated.
  • abnormal involuntary movements (R25.-)
Excludes2Not included here: the patient may have both; report both when both are present.
  • compulsions in obsessive-compulsive disorder (F42.-)
  • hair plucking (F63.3)
  • movement disorders of organic origin (G20-G25)
  • nail-biting (F98.8)
  • nose-picking (F98.8)
  • stereotypies that are part of a broader psychiatric condition (F01-F95)
  • thumb-sucking (F98.8)
  • tic disorders (F95.-)
  • trichotillomania (F63.3)
Inclusion terms
  • Stereotype/habit disorder

Chapter 5: Mental, Behavioral and Neurodevelopmental disorders · F90-F98 Behavioral and emotional disorders with onset usually occurring in childhood and adolescence (F90-F98)

Source: ICD-10-CM FY 2027 code descriptions and tabular list (CMS and CDC National Center for Health Statistics), effective 2026-10-01 through 2027-09-30 · CMS ICD-10 files. HCC mapping: CMS-HCC V28, payment year 2027. As of 2026-11-04.

Coverage and payment depend on the claim details; confirm with the Medicare Administrative Contractor.