Q07.0 Arnold-Chiari syndrome

Coding Notes

Active
Non-billable / Non-specific, not valid for HIPAA-covered transactions

Type 1 Excludes

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

Applicable To

Arnold-Chiari syndrome, type II

Child Codes


Sibling Codes


Parent Sibling Codes


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Code Title
Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
Q00-Q07 Congenital malformations of the nervous system (Q00-Q07)
Q07 Other congenital malformations of nervous system
Q07.0 Arnold-Chiari syndrome
Type 1 Excludes
Arnold-Chiari syndrome, type III (Q01.-)
Arnold-Chiari syndrome, type IV (Q04.8)

Applicable to
Arnold-Chiari syndrome, type II

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