Q07.0

Arnold-Chiari syndrome

Non-billable header

Q07.0 is a non-billable header code. Use one of the more specific codes below.

Inclusion terms

Applicable to

  • Arnold-Chiari syndrome, type II

Includes (from Q07)

  • Note: Codes from this chapter are not for use on maternal records

Excludes1

Not coded here — never report together with this code.

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

Excludes2

Not included here — may be reported together when both conditions exist.

  • inborn errors of metabolism (E70-E88) (from Q07)
  • congenital central alveolar hypoventilation syndrome (G47.35) (from Q07)
  • familial dysautonomia [Riley-Day] (G90.1) (from Q07)
  • neurofibromatosis (nonmalignant) (Q85.0-) (from Q07)

Also known as

  • Arnold-Chiari syndrome, type II

Parent code

  • Q07Other congenital malformations of nervous systemHeader

More specific codes Q07.0

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

Related codes

  • Q07.8Other specified congenital malformations of nervous systemBillable
  • Q07.9Congenital malformation of nervous system, unspecifiedBillable

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