G90.2 is the ICD-10 code for Horner syndrome. It is a four-character subcategory of G90 (Disorders of autonomic nervous system), the most specific level in the WHO edition. It belongs to the block G90–G99 (Other disorders of the nervous system) in Chapter VI, Diseases of the nervous system.
- Code type
- Subcategory (4 characters)
- Chapter
- VI · G00–G99
- Classification
- WHO ICD-10, 2019 version
What G90.2 includes
Conditions and terms that are coded here.
- Bernard(-Horner) syndrome
G90.2 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
G90.2Horners syndrom
G90.2Horners syndrom
DG902Horners syndrom
G90.2Hornerin oireyhtymä
G90.2Horner-Syndrom
G90.2Syndrome de Claude Bernard–Horner
G90.2syndroom van Horner
G90.2Horner's syndrome
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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