Version 2024

2024 ICD-10-CM Diagnosis Code G11

Hereditary ataxia

ICD-10-CM Code:
G11
ICD-10 Code for:
Hereditary ataxia
Is Billable?
Not Valid for Submission
Code Navigator:

Code Classification

  • Diseases of the nervous system
    (G00–G99)
    • Systemic atrophies primarily affecting the central nervous system
      (G10-G14)
      • Hereditary ataxia
        (G11)

G11 is a non-specific and non-billable diagnosis code code, consider using a code with a higher level of specificity for a diagnosis of hereditary ataxia. The code is not specific and is NOT valid for the year 2024 for the submission of HIPAA-covered transactions. Category or Header define the heading of a category of codes that may be further subdivided by the use of 4th, 5th, 6th or 7th characters.

Specific Coding Applicable to Hereditary ataxia

Non-specific codes like G11 require more digits to indicate the appropriate level of specificity. Consider using any of the following ICD-10-CM codes with a higher level of specificity when coding for hereditary ataxia:

  • Use G11.0 for Congenital nonprogressive ataxia - BILLABLE CODE

  • G11.1 for Early-onset cerebellar ataxia - NON-BILLABLE CODE

  • Use G11.10 for Early-onset cerebellar ataxia, unspecified - BILLABLE CODE

  • Use G11.11 for Friedreich ataxia - BILLABLE CODE

  • Use G11.19 for Other early-onset cerebellar ataxia - BILLABLE CODE

  • Use G11.2 for Late-onset cerebellar ataxia - BILLABLE CODE

  • Use G11.3 for Cerebellar ataxia with defective DNA repair - BILLABLE CODE

  • Use G11.4 for Hereditary spastic paraplegia - BILLABLE CODE

  • Use G11.5 for Hypomyelination - hypogonadotropic hypogonadism - hypodontia - BILLABLE CODE

  • Use G11.6 for Leukodystrophy with vanishing white matter disease - BILLABLE CODE

  • Use G11.8 for Other hereditary ataxias - BILLABLE CODE

  • Use G11.9 for Hereditary ataxia, unspecified - BILLABLE CODE

Tabular List of Diseases and Injuries

The following annotation back-references are applicable to this diagnosis code. The Tabular List of Diseases and Injuries is a list of ICD-10-CM codes, organized "head to toe" into chapters and sections with coding notes and guidance for inclusions, exclusions, descriptions and more.


Type 2 Excludes

Type 2 Excludes
A type 2 excludes note represents "Not included here". An excludes2 note indicates that the condition excluded is not part of the condition represented by the code, but a patient may have both conditions at the same time. When an Excludes2 note appears under a code, it is acceptable to use both the code and the excluded code together, when appropriate.
  • cerebral palsy G80
  • hereditary and idiopathic neuropathy G60
  • metabolic disorders E70 E88

Patient Education


Cerebellar Disorders

When you play the piano or hit a tennis ball you are activating the cerebellum. The cerebellum is the area of the brain that controls coordination and balance. Problems with the cerebellum include:

  • Cancer
  • Genetic disorders
  • Ataxias - failure of muscle control in the arms and legs that result in movement disorders
  • Degeneration - disorders caused by brain cells decreasing in size or wasting away

Treatment of cerebellar disorders depends on the cause. In some cases, there is no cure but treatment may help with symptoms.

NIH: National Institute of Neurological Disorders and Stroke


[Learn More in MedlinePlus]

Movement Disorders

Movement disorders are neurologic conditions that cause problems with movement, such as:

  • Increased movement that can be voluntary (intentional) or involuntary (unintended)
  • Decreased or slow voluntary movement

There are many different movement disorders. Some of the more common types include:

  • Ataxia, the loss of muscle coordination
  • Dystonia, in which involuntary contractions of your muscles cause twisting and repetitive movements. The movements can be painful.
  • Huntington's disease, an inherited disease that causes nerve cells in certain parts of the brain to waste away. This includes the nerve cells that help to control voluntary movement.
  • Parkinson's disease, which is disorder that slowly gets worse over time. It causes tremors, slowness of movement, and trouble walking.
  • Tourette syndrome, a condition which causes people to make sudden twitches, movements, or sounds (tics)
  • Tremor and essential tremor, which cause involuntary trembling or shaking movements. The movements may be in one or more parts of your body.

Causes of movement disorders include:

  • Genetics
  • Infections
  • Medicines
  • Damage to the brain, spinal cord, or peripheral nerves
  • Metabolic disorders
  • Stroke and vascular diseases
  • Toxins

Treatment varies by disorder. Medicines can cure some disorders. Others 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 and relieve pain.


[Learn More in MedlinePlus]

Code History

  • FY 2024 - No Change, effective from 10/1/2023 through 9/30/2024
  • FY 2023 - No Change, effective from 10/1/2022 through 9/30/2023
  • FY 2022 - No Change, effective from 10/1/2021 through 9/30/2022
  • FY 2021 - No Change, effective from 10/1/2020 through 9/30/2021
  • FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020
  • FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
  • FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
  • FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
  • FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016. This was the first year ICD-10-CM was implemented into the HIPAA code set.