Q04.3✓ Billable

Other reduction deformities of brain

Inclusion Terms

•Absence of part of brain
•Agenesis of part of brain
•Agyria
•Aplasia of part of brain
•Hydranencephaly
•Hypoplasia of part of brain
•Lissencephaly
•Microgyria
•Pachygyria

✗ Excludes 1(Not coded here)

•congenital malformations of corpus callosum (Q04.0)

Code Hierarchy

┌17Congenital malformations, deformations and chromosomal abnormalities (Q00-QA0)├Q00-Q07Congenital malformations of the nervous system (Q00-Q07)├Q04Other congenital malformations of brain

└Q04.3Other reduction deformities of brain

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