ICD-10-CM Book 2025 Edition
Chapters ICD-10-CM Book Table of Content /
Q00-Q07 Congenital malformations of the nervous system /
Q04 Other congenital malformations of brain
Billable ICD-10-CM Code Q04.3
Q04.3
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Other reduction deformities of brain 
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Absence of part of brain
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Agenesis of part of brain
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Agyria
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Aplasia of part of brain
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Hydranencephaly
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Hypoplasia of part of brain
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Lissencephaly
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Microgyria
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Pachygyria
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excludes1
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congenital malformations of corpus callosum (Q04.0) |
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