G50.9 is the ICD-10 code for Disorder of trigeminal nerve, unspecified. It is a four-character subcategory of G50 (Disorders of trigeminal nerve), the most specific level in the WHO edition. It belongs to the block G50–G59 (Nerve, nerve root and plexus disorders) in Chapter VI, Diseases of the nervous system.
- Code type
- Subcategory (4 characters)
- Chapter
- VI · G00–G99
- Classification
- WHO ICD-10, 2019 version
G50.9 in national editions
Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.
G50.9Uspesifisert sykdom i nervus trigeminus [5.hjernenerve]
DG509Sygdom i ansigtets følenerve UNS
G50.9Määrittämättömät kolmoishermon sairaudet
G50.9Krankheit des N. trigeminus, nicht näher bezeichnet
G50.9Affection du nerf trijumeau, sans précision
G50.9aandoening van nervus trigeminus, niet-gespecificeerd
G50.9Disorder of trigeminal nerve, 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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