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ICDMine.com › Browse ICD-10-CM Codes › Ch. 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1) › Congenital malformations of the nervous system (Q00-Q07) › Q07 Other congenital malformations of nervous system › Q07.0

Q07.0Arnold-Chiari syndrome

ICD-10-CM category (non-billable header) code — part of Congenital malformations of the nervous system (Q00-Q07)

Code Details

Billable	No — use a more specific child code
Chapter	Chapter 17: Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders (Q00-QA1)
Section	Congenital malformations of the nervous system (Q00-Q07)
Parent code	Q07 — Other congenital malformations of nervous system

Coding Notes

Inclusion Terms

Arnold-Chiari syndrome, type II

Excludes1 (never code both together)

Arnold-Chiari syndrome, type III (Q01.-)
Arnold-Chiari syndrome, type IV (Q04.8)

Subcategories (4)

Q07.00 Arnold-Chiari syndrome without spina bifida or hydrocephalus
Q07.01 Arnold-Chiari syndrome with spina bifida
Q07.02 Arnold-Chiari syndrome with hydrocephalus
Q07.03 Arnold-Chiari syndrome with spina bifida and hydrocephalus

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