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ICD-10-CM category

Q04: Other congenital malformations of brain

9 subcodes · 9 billable · Look up any code with the ICD-10 search

Codes under Q04 (Other congenital malformations of brain). A ✓ marks a billable (fully specified) code; category codes without a ✓ are not billable on their own.

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

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Informational only, not coding or medical advice. Verify against the official ICD-10-CM (FY2026) and your payer's guidelines.

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