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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) › Q04

Q04Other congenital malformations of brain

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)

Coding Notes

Excludes1 (never code both together)

cyclopia (Q87.0)
macrocephaly (Q75.3)

Subcategories (9)

Q04.0 Congenital malformations of corpus callosum
Q04.1 Arhinencephaly
Q04.2 Holoprosencephaly
Q04.3 Other reduction deformities of brain
Q04.4 Septo-optic dysplasia of brain
Q04.5 Megalencephaly
Q04.6 Congenital cerebral cysts
Q04.8 Other specified congenital malformations of brain
Q04.9 Congenital malformation of brain, unspecified

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