ICD-10 diagnosis code

G99.1 Other disorders of autonomic nervous system in other diseases classified elsewhere

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G99.1 is the ICD-10 code for Other disorders of autonomic nervous system in other diseases classified elsewhere. It is a four-character subcategory of G99 (Other disorders of nervous system in diseases classified elsewhere), 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

G99.1 in national editions

Countries report with their own edition of ICD-10. Most keep the WHO code and add more specific codes beneath it.

NorwayICD-10-NO

G99.1Annen lidelse i det autonome nervesystemet ved annen sykdom klassifisert annet sted

DenmarkICD-10-DK

DG991Anden sygdom i det autonome nervesystem ved sygdom klassificeret andetsteds

GermanyICD-10-GM

G99.1Sonstige Krankheiten des autonomen Nervensystems bei sonstigen anderenorts klassifizierten Krankheiten

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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