Q28.1 is the ICD-10 code for Other malformations of precerebral vessels. It is a four-character subcategory of Q28 (Other congenital malformations of circulatory system), the most specific level in the WHO edition. It belongs to the block Q20–Q28 (Congenital malformations of the circulatory 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 Q28.1 includes
Conditions and terms that are coded here.
- Congenital:
- malformation of precerebral vessels NOS
- precerebral aneurysm (nonruptured)
Q28.1 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
Q28.1Annen misdannelse i precerebralt kar
DQ281Anden misdannelse i præcerebralt kar
Q28.1Muu aivoihin johtavien verisuonten epämuodostuma
Q28.1Sonstige Fehlbildungen der präzerebralen Gefäße
- Q28.10Angeborenes Aneurysma der präzerebralen Gefäße
- Q28.11Angeborene Fistel der präzerebralen Gefäße
- Q28.18Sonstige angeborene Fehlbildungen der präzerebralen Gefäße
- Q28.19Angeborene Fehlbildung der präzerebralen Gefäße, nicht näher bezeichnet
Q28.1Autres malformations des vaisseaux précérébraux
Q28.1overige misvormingen van precerebrale vaten
Q28.1Other malformations of precerebral vessels
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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