F98.4
BillableStereotyped movement disorders
F98.4 is the ICD-10-CM code for Stereotyped movement disorders. It is a billable, specific code valid for reimbursement.
F01-F99 Mental, Behavioral and Neurodevelopmental disorders
What this means — in plain language
MedlinePlus · NIHWhat are mental disorders? Mental disorders (or mental illnesses) are conditions that affect your thinking, feeling, mood, and behavior. They may happen over a short period of time or come and go. Some can be chronic (long-lasting). They can affect your ability to relate to others and function each day.. What are some types of mental disorders? There are many different types of mental disorders. Some common ones…
Read more about Mental Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Stereotype/habit disorder
Excludes1 — not coded here
- •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)
Frequently asked questions
- What is ICD-10 code F98.4?
- F98.4 is the ICD-10-CM code for "Stereotyped movement disorders". It falls under F01-F99 Mental, Behavioral and Neurodevelopmental disorders.
- Is F98.4 a billable code?
- Yes — F98.4 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from F98.4?
- Excludes1 (not coded here): abnormal involuntary movements (R25.-).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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