F78.AHeader code — not billable
Other genetic related intellectual disabilities
- Chapter
- 5. Mental, Behavioral and Neurodevelopmental disorders
- Category
- F78
- Effective date
- October 1, 2026
Related codes in category F78
Frequently asked questions
What is ICD-10 code F78.A?
F78.A is an ICD-10-CM diagnosis code for Other genetic related intellectual disabilities.
Is F78.A a billable code?
No. F78.A 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 F78.A in?
F78.A falls under Chapter 5: Mental, Behavioral and Neurodevelopmental disorders.
When did F78.A become effective?
F78.A has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to F78.A?
F78.A belongs to category F78, which includes 3 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.