Q04.3 - Other reduction deformities of brain

  • Applicable to Other reduction deformities of brain
  • The 2025 edition of ICD10-CM Q04.3 became effective on October 1, 2024.
  • This is the American ICD10-CM version of Q04.3 - other international versions of ICD10 Q04.3 may differ.
  • Q04.3 is a Billable / Specific ICD10-CM code that can be used to indicate a diagnosis for reimbursement purposes.

 Inclusion Term

  • 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

Type 1 Excludes

  • congenital malformations of corpus callosum (Q04.0)

The following codes above Q04.3 contain annotation back-references that may be applicable to Q04.3:

Chapter: Q00-Q99 Congenital malformations, deformations and chromosomal abnormalities

Section: Q00-Q07 Congenital malformations of the nervous system

Category: Q04 Other congenital malformations of brain

brain icd 10
 
reduction icd 10
 
deformities icd 10
 
Billable/Specific Code

Browse other similar CM codes

Q04.0
 
Q04.1
 
Q04.2
 
Q04.3
 
Q04.4
 
Q04.5
 
Q04.6
 
Q04.8
 
Q04.9
 

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