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ICD-10-CM/Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders/Congenital malformations of the nervous system/Other congenital malformations of brain

Q04.1 Arhinencephaly

BackQ04Other congenital malformations of brainCategory9 →Q04.0Congenital malformations of corpus callosumCategoryQ04.1ArhinencephalyCategoryQ04.2HoloprosencephalyCategoryQ04.3Other reduction deformities of brainCategoryQ04.4Septo-optic dysplasia of brainCategoryQ04.5MegalencephalyCategoryQ04.6Congenital cerebral cystsCategoryQ04.8Other specified congenital malformations of brainCategoryQ04.9Congenital malformation of brain, unspecifiedCategory
CategoryCODABLE
Q04.1
Arhinencephaly
Chapter
XVII · Congenital malformations, deformations, chromosomal abnormalities, and genetic disorders
Section
Q00-Q07
Valid from
Source

CMS ICD-10-CM Tabular List, edition FY2026.

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