F98.4
Stereotyped movement disorders
Billable FY2026 2025-10-01 → 2026-09-30
Exclusions 16 never code together
F98.4code
Excludes2
- compulsions in obsessive-compulsive disorder (F42.-)F42.-F42.-
- hair plucking (F63.3)F63.3F63.3
- movement disorders of organic origin (G20-G25)G20-G25G20-G25
- nail-biting (F98.8)F98.8F98.8
- nose-picking (F98.8)F98.8F98.8
- stereotypies that are part of a broader psychiatric condition (F01-F95)F01-F95F01-F95
- thumb-sucking (F98.8)F98.8F98.8
- tic disorders (F95.-)F95.-F95.-
- trichotillomania (F63.3)F63.3F63.3
F98code
F01-F99chapter
Excludes2
- symptoms, signs and abnormal clinical laboratory findings, not elsewhere classified (R00-R99)R00-R99
Excludes1 — never code together. The excluded condition and this one are mutually exclusive.
Excludes2 — not included here, but the patient may have both. Code both when documented.
Instructional notes 3
F98.4code
Inclusion terms
- Stereotype/habit disorder
F90-F98block
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 adulthoodF90-F98
F01-F99chapter
Includes
- disorders of psychological development
Index entries leading here 6
Alongside this code 7 same parent — F98
F98.0 Enuresis not due to a substance or known physiol condition F98.1 Encopresis not due to a substance or known physiol condition F98.2 Other feeding disorders of infancy and childhood category F98.3 Pica of infancy and childhood F98.5 Adult onset fluency disorder F98.8 Oth behav/emotn disord w onset usly occur in chldhd and adol F98.9 Unsp behav/emotn disord w onst usly occur in chldhd and adol
Medications 1
MED-RT files conditions by MeSH, which carves the world differently from ICD-10. These are name matches on this code's description, offered as candidates — not as an assertion that they are this code.
Additional references
AHA Coding Clinic® Licence required
Official coding advice for this code. Published by the American Hospital Association. Not included in this installation.