Q04.0Congenital malformations of corpus callosum
Code usage status
Primary diagnosis
May be used as the primary diagnosis
Apply only when it matches the confirmed diagnosis and the documented clinical record.
Specificity
Complete code in the classification
Use when the diagnosis matches and no exclusion applies.
- Group Q00-Q07
- Congenital malformations of the nervous system
- Official Vietnamese name
- Dị tật bẩm sinh thể chai
- Additional WHO coding guidance
- Agenesis of corpus callosum
Related Q04 codes
Q04
Other congenital malformations of brain
Q04.1
Primary diagnosis candidate
Arhinencephaly
Q04.2
Primary diagnosis candidate
Holoprosencephaly
Q04.3
Primary diagnosis candidate
Other reduction deformities of brain
Q04.4
Primary diagnosis candidate
Septo-optic dysplasia
Q04.5
Primary diagnosis candidate
Megalencephaly
Q04.6
Primary diagnosis candidate
Congenital cerebral cysts
Q04.8
Primary diagnosis candidate
Other specified congenital malformations of brain
Q04.9
Primary diagnosis candidate
Congenital malformation of brain, unspecified
Clinical record checklist
View coding guide →- Confirm that the code matches the final documented diagnosis.
- Use one primary-diagnosis code and record only relevant additional conditions.
- Review Ministry indicators, inclusions, exclusions and notes.
- Do not infer a diagnosis beyond the clinical record.
2026 regulatory basis
Indicators are taken from columns 24–29 of the classification accompanying Circular 06/2026/TT-BYT, cross-referenced with Decision 1849/QĐ-BYT and Official Dispatch 4059/BYT-BH.
