Q04 Other congenital malformations of brain
ICD-10-CM category Q04 sits in Chapter 17 (Congenital malformations, deformations and chromosomal abnormalities, Q00-Q99). It contains 9 billable codes for FY2027, effective October 1, 2026 to September 30, 2027. Always code to the most specific code available: a code with more characters that describes the diagnosis more precisely takes priority over a shorter one.
Billable codes in Q04
| Code | Description |
|---|---|
Q04.0 | Congenital malformations of corpus callosum |
Q04.1 | Arhinencephaly |
Q04.2 | Holoprosencephaly |
Q04.3 | Other reduction deformities of brain |
Q04.4 | Septo-optic dysplasia of brain |
Q04.5 | Megalencephaly |
Q04.6 | Congenital cerebral cysts |
Q04.8 | Other specified congenital malformations of brain |
Q04.9 | Congenital malformation of brain, unspecified |
Search within ICD-10-CM for Q04 and related codes
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