G99.0

Billable

Autonomic neuropathy in diseases classified elsewhere

G99.0 is the ICD-10-CM code for Autonomic neuropathy in diseases classified elsewhere. It is a billable, specific code valid for reimbursement.

Status
Billable
Chapter
G00-G99
Parent
G99
Edition
FY2026

G00-G99 Diseases of the nervous system

What this means — in plain language

MedlinePlus · NIH

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…

Read more about Autonomic Nervous System Disorders at MedlinePlus ↗

Source: U.S. National Library of Medicine (MedlinePlus). Informational only — not medical advice.

Excludes1 — not coded here

  • diabetic autonomic neuropathy (E08-E13 with .43)

Code first

  • underlying disease, such as:
  • amyloidosis (E85.-)
  • gout (M1A.-, M10.-)
  • hyperthyroidism (E05.-)

Frequently asked questions

What is ICD-10 code G99.0?
G99.0 is the ICD-10-CM code for "Autonomic neuropathy in diseases classified elsewhere". It falls under G00-G99 Diseases of the nervous system.
Is G99.0 a billable code?
Yes — G99.0 is a billable, specific ICD-10-CM code valid for reimbursement.
What is excluded from G99.0?
Excludes1 (not coded here): diabetic autonomic neuropathy (E08-E13 with .43).

Source: CMS ICD-10-CM FY2026. For informational purposes only — not medical advice. See our medical disclaimer.

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