Autonomic nervous system disorders
Also known as: Disorders of autonomic nervous system, unspecified
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In short
The autonomic nervous system controls involuntary actions, such as the beating of the heart and the widening or narrowing of blood vessels. Disorders in this system can cause serious problems, including blood pressure issues, heart problems, trouble with breathing and swallowing, and erectile dysfunction. These disorders can occur alone or as the result of another disease, such as Parkinson's disease, alcoholism, and diabetes. Some types are temporary, but many worsen over time and can be life-threatening when they affect breathing or heart function. While some disorders get better when an underlying disease is treated, there is often no cure, and the goal of treatment is to improve symptoms.
Source: MedlinePlus, National Library of Medicine.
AI-generated summary of the sources cited on this page, checked automatically against them. Not reviewed by a clinician; not medical advice.
Codes
Description
Your autonomic nervous system is the part of your nervous system that controls involuntary actions, such as the beating of your heart and the widening or narrowing of your blood vessels. When something goes wrong in this system, it can cause serious problems, including:
- Blood pressure problems
- Heart problems
- Trouble with breathing and swallowing
- Erectile dysfunction in men
Autonomic nervous system disorders can occur alone or as the result of another disease, such as Parkinson's disease, alcoholism and diabetes. Problems can affect either part of the system, as in complex regional pain syndromes, or all of the system. Some types are temporary, but many worsen over time. When they affect your breathing or heart function, these disorders can be life-threatening.
Some autonomic nervous system disorders get better when an underlying disease is treated. Often, however, there is no cure. In that case, the goal of treatment is to improve symptoms.
NIH: National Institute of Neurological Disorders and Stroke
Next to it in ICD-10
- G81Hemiplegia (paralysis of one side)
- G82Paralytic symptoms, unspecified
- G83Other paralysis syndromes
- G91Hydrocephalus, unspecified
- G95Other spinal cord diseases
- H00Stye and chalazion
Neighbouring codes in the classification, not a medical link.
External resources
Questions
What is the ICD-10 code for Autonomic nervous system disorders?
G90 (WHO, International Classification of Diseases, 10th Revision).
What is the ICD-11 code for Autonomic nervous system disorders?
8D8Z: Disorders of autonomic nervous system, unspecified (WHO, ICD-11 for Mortality and Morbidity Statistics).
Sources and attribution
- ICD-11 for Mortality and Morbidity Statistics, © World Health Organization, licensed under CC BY-ND 3.0 IGO.
- Names other than the official source titles: Anpheros translations and plain-language names, made with AI assistance and checked automatically; the source names are in English.
- Source: MedlinePlus, National Library of Medicine.
- ICD-10 codes and titles © World Health Organization. Source: WHO, International Classification of Diseases, 10th Revision (2019).
Anpheros Search catalog 2026.10.5, published 17 October 2026. About the data →
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