Valid for Submission
G99.0 is a billable diagnosis code used to specify a medical diagnosis of autonomic neuropathy in diseases classified elsewhere. The code G99.0 is valid during the fiscal year 2022 from October 01, 2021 through September 30, 2022 for the submission of HIPAA-covered transactions.
The ICD-10-CM code G99.0 might also be used to specify conditions or terms like autoimmune ganglionopathy, autonomic neuropathy due to allgrove syndrome, autonomic neuropathy due to endocrine disease, autonomic neuropathy due to fabry disease, autonomic neuropathy due to medication induced hypoglycemia , autonomic neuropathy due to metabolic disease, etc.
Tabular List of Diseases and Injuries
The Tabular List of Diseases and Injuries is a list of ICD-10 codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code G99.0:
Code FirstCode First
Certain conditions have both an underlying etiology and multiple body system manifestations due to the underlying etiology. For such conditions, the ICD-10-CM has a coding convention that requires the underlying condition be sequenced first followed by the manifestation. Wherever such a combination exists, there is a "use additional code" note at the etiology code, and a "code first" note at the manifestation code. These instructional notes indicate the proper sequencing order of the codes, etiology followed by manifestation.
Type 1 ExcludesType 1 Excludes
A type 1 excludes note is a pure excludes note. It means "NOT CODED HERE!" An Excludes1 note indicates that the code excluded should never be used at the same time as the code above the Excludes1 note. An Excludes1 is used when two conditions cannot occur together, such as a congenital form versus an acquired form of the same condition.
The Medicare Code Editor (MCE) detects and reports errors in the coding of claims data. The following ICD-10 Code Edits are applicable to this code:
The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:
- Autoimmune ganglionopathy
- Autonomic neuropathy due to Allgrove syndrome
- Autonomic neuropathy due to endocrine disease
- Autonomic neuropathy due to Fabry disease
- Autonomic neuropathy due to medication induced hypoglycemia
- Autonomic neuropathy due to metabolic disease
- Autonomic neuropathy due to Refsum Disease
- Autonomic neuropathy due to Tangier disease
Convert G99.0 to ICD-9 Code
Information for Patients
Autonomic Nervous System Disorders
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
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