Q04.9 is the ICD-10 code for Congenital malformation of brain, unspecified. It is a four-character subcategory of Q04 (Other congenital malformations of brain), the most specific level in the WHO edition. It belongs to the block Q00–Q07 (Congenital malformations of the nervous system) in Chapter XVII, Congenital malformations, deformations and chromosomal abnormalities.
- Code type
- Subcategory (4 characters)
- Chapter
- XVII · Q00–Q99
- Classification
- WHO ICD-10, 2019 version
What Q04.9 includes
Conditions and terms that are coded here.
- Congenital:
- anomaly NOS of brain
- deformity NOS of brain
- disease or lesion NOS of brain
- multiple anomalies NOS of brain
Q04.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q04.9Uspesifisert medfødt misdannelse i hjernen
DQ049Medfødt misdannelse i hjernen UNS
Q04.9Määrittämätön synnynnäinen aivoepämuodostuma
Q04.9Angeborene Fehlbildung des Gehirns, nicht näher bezeichnet
Q04.9Malformation congénitale de l'encéphale, sans précision
Q04.9congenitale misvorming van hersenen, niet-gespecificeerd
Q04.9Congenital malformation of brain, unspecified
Based on the World Health Organization’s International Statistical Classification of Diseases and Related Health Problems, 10th revision (ICD-10), 2019 version, and the national editions published by each country’s health authority. This page is a reference, not coding advice; follow your national coding rules when you report.
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