F55Header code — not billable
Abuse of non-psychoactive substances
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders
- Category
- F55
- Effective date
- October 1, 2026
Related codes in category F55
Frequently asked questions
What is ICD-10 code F55?
F55 is an ICD-10-CM diagnosis code for Abuse of non-psychoactive substances.
Is F55 a billable code?
No. F55 is a category/header code, not billable on its own — use one of its more specific child codes instead.
What ICD-10-CM chapter is F55 in?
F55 falls under Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.
When did F55 become effective?
F55 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to F55?
F55 belongs to category F55, which includes 6 other codes — see the related codes list on this page.
ICD-10-CM data maintained by CDC/CMS (public domain). Always verify codes with authoritative sources before making coding or billing decisions.