Code
Hierarchy
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Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities (Q00-Q99)
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Q00-Q07 Congenital malformations of the nervous system (Q00-Q07)
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Q04 Other congenital malformations of brain
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Q04.0 Congenital malformations of corpus callosum
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Q04.1 Arhinencephaly
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Q04.2 Holoprosencephaly
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Q04.3 Other reduction deformities of brain
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Q04.4 Septo-optic dysplasia of brain
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Q04.5 Megalencephaly
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Q04.6 Congenital cerebral cysts
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Q04.8 Other specified congenital malformations of brain
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Q04.9 Congenital malformation of brain, unspecified
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Notes
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Codes from this chapter are not for use on maternal records
Inclusion Terms
Q04.9
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Congenital anomaly NOS of brain
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Congenital deformity NOS of brain
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Congenital disease or lesion NOS of brain
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Multiple anomalies NOS of brain, congenital