G90.3
BillableMulti-system degeneration of the autonomic nervous system
G90.3 is the ICD-10-CM code for Multi-system degeneration of the autonomic nervous system. It is a billable, specific code valid for reimbursement.
G00-G99 Diseases of the nervous system
What this means — in plain language
MedlinePlus · NIHYour 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…
Read more about Autonomic Nervous System Disorders at MedlinePlus ↗Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.
Includes
- •Neurogenic orthostatic hypotension [Shy-Drager]
Excludes1 — not coded here
- •orthostatic hypotension NOS (I95.1)
Medications indicated for this condition
FDA labelingDrugs whose FDA labeling lists this condition's category among its indications. Informational only — not a treatment recommendation or medical advice.
Conditions mapped to this code
MedlinePlus · NIHPlain-language health-topic references grounded in MedlinePlus (NIH/NLM).
Frequently asked questions
- What is ICD-10 code G90.3?
- G90.3 is the ICD-10-CM code for "Multi-system degeneration of the autonomic nervous system". It falls under G00-G99 Diseases of the nervous system.
- Is G90.3 a billable code?
- Yes — G90.3 is a billable, specific ICD-10-CM code valid for reimbursement.
- What is excluded from G90.3?
- Excludes1 (not coded here): orthostatic hypotension NOS (I95.1).
Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.
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