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ICD-10-CM Code

Other reduction deformities of brain
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
Excludes1: congenital malformations of corpus callosum (Q04.0)

Q04

Excludes1: cyclopia (Q87.0)
macrocephaly (Q75.3)

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Immediately see an ICD-10-CM code's applicable 7th characters. You can be confident you're reporting the complete code, capturing required information such as episode of care: initial, subsequent, or sequelae.
Get crucial instructions for accurate ICD-10-CM Q04.3 coding with all applicable Excludes 1 and Excludes 2 notes from the section level conveniently shown with each code.
This section shows you chapter-specific coding guidelines to increase your understanding and correct usage of the target ICD-10-CM Volume 1 code.
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