Q07.00
✓ Billable
Arnold-Chiari syndrome without spina bifida or hydrocephalus
ICD-10-CM · FY2026 · Congenital Malformations, Deformations and Chromosomal Abnormalities
Code
Q07.00
System
ICD-10-CM
Billable
Yes — valid for submission
Effective
FY2026
Chapter
Congenital Malformations, Deformations and Chromosomal Abnormalities
Source
CMS / CDC NCHS
⚠ Verify before billing. Confirm against the current CMS/NCHS ICD-10-CM files and your payer's rules before claims submission.
Frequently asked questions
What is ICD-10 code Q07.00?
ICD-10-CM code Q07.00 represents Arnold-Chiari syndrome without spina bifida or hydrocephalus. It is a billable diagnosis code in the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter, effective October 1, 2025 – September 30, 2026.
Is Q07.00 billable?
Yes. Q07.00 is a valid billable ICD-10-CM code for insurance claims and clinical documentation.
What chapter is Q07.00 in?
Q07.00 belongs to the Congenital Malformations, Deformations and Chromosomal Abnormalities chapter (Q00–Q99) of ICD-10-CM.
Related codes in the Q07 category
Q07
Other congenital malformations of nervous system
Non-billable
Q07.0
Arnold-Chiari syndrome
Non-billable
Q07.8
Other specified congenital malformations of nervous system
Billable
Q07.9
Congenital malformation of nervous system, unspecified
Billable
Q07.01
Arnold-Chiari syndrome with spina bifida
Billable
Q07.02
Arnold-Chiari syndrome with hydrocephalus
Billable
Q07.03
Arnold-Chiari syndrome with spina bifida and hydrocephalus
Billable
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