Q04.3 - Other reduction deformities of brain

Code

Q04.3 - Other reduction deformities of brain
[Billable] [POA Exempt]

Includes

  • Absence of part of brain
  • Agenesis of part of brain
  • Agyria
  • Aplasia of part of brain
  • Hydranencephaly
  • Hypoplasia of part of brain
  • Lissencephaly
  • Microgyria
  • Pachygyria

Not Coded Here

  • congenital malformations of corpus callosum (Q04.0)

Code Tree

Q00-Q99 - Congenital malformations, deformations and chromosomal abnormalities
  • Q00-Q07 - Congenital malformations of the nervous system
    • Q04 - Other congenital malformations of brain
      • 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

Map to ⑨

Q04.3 converts approximately to ICD-9-CM:
  • 742.2 - Congenital reduction deformities of brain
Q04.3 - Other reduction deformities of brain is a sample topic from the ICD-10-CM.

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