F59Billable
Unspecified behavioral syndromes associated with physiological disturbances and physical factors
Short description: Unsp behavrl synd assoc w physiol disturb and physcl factors
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders
- Category
- F59
- Effective date
- October 1, 2026
Frequently asked questions
What is ICD-10 code F59?
F59 is an ICD-10-CM diagnosis code for Unspecified behavioral syndromes associated with physiological disturbances and physical factors.
Is F59 a billable code?
Yes. F59 is billable and specific enough to be used on a claim.
What ICD-10-CM chapter is F59 in?
F59 falls under Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.
When did F59 become effective?
F59 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.