ICD-10-CM Code G10

Valid for Submission

G10 is a billable code used to specify a medical diagnosis of huntington's disease. The code is valid for the year 2020 for the submission of HIPAA-covered transactions. The ICD-10-CM code G10 might also be used to specify conditions or terms like akinetic-rigid form of huntington's disease, altered behavior, altered behavior in huntington's dementia, chorea co-occurrent and due to huntington disease-like condition, dementia due to huntington chorea, hereditary acanthocytosis, 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 guidance for inclusions, exclusions, descriptions and more. The following references are applicable to the code G10:

Inclusion Terms

Inclusion Terms
These terms are the conditions for which that code is to be used. The terms may be synonyms of the code title, or, in the case of "other specified" codes, the terms are a list of the various conditions assigned to that code. The inclusion terms are not necessarily exhaustive. Additional terms found only in the Alphabetic Index may also be assigned to a code.

• Huntington's chorea
• Huntington's dementia

Code Also

Code Also
A "code also" note instructs that two codes may be required to fully describe a condition, but this note does not provide sequencing direction.

• dementia in other diseases classified elsewhere without behavioral disturbance F02.80

Index to Diseases and Injuries

The Index to Diseases and Injuries is an alphabetical listing of medical terms, with each term mapped to one or more ICD-10 code(s). The following references for the code G10 are found in the index:

• - Chorea (chronic) (gravis) (posthemiplegic) (senile) (spasmodic) - G25.5
  • - hereditary - G10
  • - Huntington's - G10
  • - progressive - G25.5
    • - hereditary - G10

• - Dementia (degenerative (primary)) (old age) (persisting) - F03.90
  • - in (due to)
    • - Huntington's disease or chorea - G10
      • - with behavioral disturbance - G10

• - Disease, diseased - See Also: Syndrome;
  • - Huntington's - G10
    • - with dementia - G10

• - Huntington's disease or chorea - G10
  • - with dementia - G10
    • - with behavioral disturbance - G10

Synonyms

The following clinical terms are approximate synonyms or lay terms that might be used to identify the correct diagnosis code:

• Akinetic-rigid form of Huntington's disease
• Altered behavior
• Altered behavior in Huntington's dementia
• Chorea co-occurrent and due to Huntington disease-like condition
• Dementia due to Huntington chorea
• Hereditary acanthocytosis
• Huntington disease-like 2
• Huntington disease-like syndrome
• Huntington's chorea
• Juvenile onset Huntington's disease
• Late onset Huntington's disease

Clinical Information

• HUNTINGTON DISEASE-. a familial disorder inherited as an autosomal dominant trait and characterized by the onset of progressive chorea and dementia in the fourth or fifth decade of life. common initial manifestations include paranoia; poor impulse control; depression; hallucinations; and delusions. eventually intellectual impairment; loss of fine motor control; athetosis; and diffuse chorea involving axial and limb musculature develops leading to a vegetative state within 10 15 years of disease onset. the juvenile variant has a more fulminant course including seizures; ataxia; dementia; and chorea. from adams et al. principles of neurology 6th ed pp1060 4

Convert G10 to ICD-9

• 333.4 - Huntington's chorea

Code Classification

• Diseases of the nervous system (G00–G99)
  • Systemic atrophies primarily affecting the central nervous system (G10-G14)
    • Huntington's disease (G10)

Code History

• FY 2016 - New Code, effective from 10/1/2015 through 9/30/2016
  (First year ICD-10-CM implemented into the HIPAA code set)
• FY 2017 - No Change, effective from 10/1/2016 through 9/30/2017
• FY 2018 - No Change, effective from 10/1/2017 through 9/30/2018
• FY 2019 - No Change, effective from 10/1/2018 through 9/30/2019
• FY 2020 - No Change, effective from 10/1/2019 through 9/30/2020

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