Q07.0Header code — not billable
Arnold-Chiari syndrome
- Chapter
- 17. Congenital malformations, deformations and chromosomal abnormalities
- Category
- Q07
- Effective date
- October 1, 2026
Related codes in category Q07
Q07Other congenital malformations of nervous systemQ07.00Arnold-Chiari syndrome without spina bifida or hydrocephalusYesQ07.01Arnold-Chiari syndrome with spina bifidaYesQ07.02Arnold-Chiari syndrome with hydrocephalusYesQ07.03Arnold-Chiari syndrome with spina bifida and hydrocephalusYesQ07.8Other specified congenital malformations of nervous systemYesQ07.9Congenital malformation of nervous system, unspecifiedYes
Frequently asked questions
What is ICD-10 code Q07.0?
Q07.0 is an ICD-10-CM diagnosis code for Arnold-Chiari syndrome.
Is Q07.0 a billable code?
No. Q07.0 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 Q07.0 in?
Q07.0 falls under Chapter 17: Congenital malformations, deformations and chromosomal abnormalities.
When did Q07.0 become effective?
Q07.0 has been effective since October 1, 2026, per the CMS/CDC ICD-10-CM annual release.
What other codes are related to Q07.0?
Q07.0 belongs to category Q07, which includes 7 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.