F98.4 Stereotyped movement disorders

Billable ICD-10-CM code, FY2026.

Applicable to

• Stereotype/habit disorder

Excludes1 (never code together)

• abnormal involuntary movements (R25.-)

Excludes2 (not included here)

• 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)

Applies from F98 Other behavioral and emotional disorders with onset usually occurring in childhood and adolescence

Excludes2 (not included here)

• 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.-)

Risk adjustment (HCC)

• RxHCC V08: HCC 133 — Anxiety and Other Psychiatric Disorders

MS-DRG index

Defines the logic of DRG(s) 887 in MDC 19.

Approximate ICD-9-CM (GEMs)

• 307.3 Stereotypic movement disorder

Code annotations containing back-references to F98.4

Back-references to F98.4

• Type 2 Excludes: F63.3 Trichotillomania ("other stereotyped movement disorder (F98.4)")
• Type 1 Excludes: R25 Abnormal involuntary movements ("stereotyped movement disorders (F98.4)")

Diagnosis Index entries for F98.4

• Body, bodies › rocking
• Disorder (of) › movement › stereotyped
• Disorder (of) › stereotyped, habit or movement
• Hair › plucking › in stereotyped movement disorder
• Spasm (s), spastic, spasticity › nodding
• Spasmus nutans
• Stereotypies NEC

Nearby codes

• F98.1 Encopresis not due to a substance or known physiological condition
• F98.2 Other feeding disorders of infancy and childhood
• F98.21 Rumination disorder of infancy and childhood
• F98.29 Other feeding disorders of infancy and early childhood
• F98.3 Pica of infancy and childhood
• F98.4 Stereotyped movement disorders (this code)
• F98.5 Adult onset fluency disorder
• F98.8 Other specified behavioral and emotional disorders with onset usually occurring in childhood and adolescence
• F98.9 Unspecified behavioral and emotional disorders with onset usually occurring in childhood and adolescence