Lewy Body Disease

Lewy body disease is one of the most common causes of dementia in the elderly. Dementia is the loss of mental functions severe enough to affect normal activities and relationships. Lewy body disease happens when abnormal structures, called Lewy bodies, build up in areas of the brain. The disease may cause a wide range of symptoms, including

  • Changes in alertness and attention
  • Hallucinations
  • Problems with movement and posture
  • Muscle stiffness
  • Confusion
  • Loss of memory

Lewy body disease can be hard to diagnose, because Parkinson's disease and Alzheimer's disease cause similar symptoms. Scientists think that Lewy body disease might be related to these diseases, or that they sometimes happen together.

Lewy body disease usually begins between the ages of 50 and 85. The disease gets worse over time. There is no cure. Treatment focuses on drugs to help symptoms.

NIH: National Institute of Neurological Disorders and Stroke

Different Conditions

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Related ICD 10 COde
ICD 10 Code G20

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Atypical parkinsonism

The syndrome of familial Parkinsonism, weight loss, psychiatric disturbances and respiratory depression.

Additional Information

Perry syndrome is a rare inherited neurodegenerative disorder characterized by rapidly progressive early-onset parkinsonism, central hypoventilation, weight loss, insomnia and depression.
Related ICD 10 COde
ICD 10 Code G20

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Also Known As

  • PARK5
  • Related ICD 10 COde
    ICD 10 Code G20

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    Autosomal recessive familial Parkinson disease

    DJ 1 gene mutation can result in autosomal recessive PD

    Also Known As

  • PARK 7
  • Related ICD 10 COde
    ICD 10 Code G20

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    Familial Parkinson disease

    Parkinson Disease inherited in an autosomal dominant fashion with vertical transmission.
    Related ICD 10 COde
    ICD 10 Code G20

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    Movement disorders

    Parkinsonism is a clinical syndrome characterized by four cardinal features: rest tremor, muscular rigidity, akinesia or bradykinesia, and postural disturbances which include shuffling gait and flexed posture and loss of postural reflexes. Bradykinesia and one other clinical feature is required to make a diagnosis of Parkinsonism. Parkinsonism may result from a variety of conditions including progressive neurodegenerative disorders such as Parkinson Disease or Atypical Parkinsonism where the progressive degeneration of nigral and other neurons leads to dopamine deficiency. Parkinsonism may also be a result of structural lesions such as strokes or tumors or blockage of dopamine receptors in the striatum by drugs such as neuroleptics.

    Signs And Symptoms

  • Resting tremor
  • Muscle rigidity
  • Akinesia
  • Bradykinesia
  • Where It Occurs

    Nervous System

    Abbreviated Terms

  • Hemiparkinsonism
  • paralysis agitans syndrome
  • parkinson tremor
  • parkinsonian syndrome
  • pill-roller hand
  • shaking paralysis
  • trembling paralysis
  • shaking palsy
  • Also Known As

  • Paralysis agitans
  • idiopathic parkinsonism
  • primary parkinsonism
  • Related ICD 10 COde
    ICD 10 Code G20

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    Parkinson disease

    This is defined as Parkinson Disease occurring sporadically with no apparent mode of inheritance.
    Related ICD 10 COde
    ICD 10 Code G20

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    Parkinsonism due to heredodegenerative disorders

    Parkinsonism may occur in Huntigton Disease that is a autosomal dominant disorder. It usually occurs in the setting of juvenile HD (Westphal variant) but may occur in otherwise typical HD.
    Related ICD 10 COde
    ICD 10 Code G20

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    Parkinsonism

    Parkinson Disease is a gradual onset progressive degenerative disease whose cardinal manifestations include bradykinesia plus one of the following-tremor, rigidity or postural instability. None motor manifestations include autonomic dysfunction and neuropsychiatric features.

    Abbreviated Terms

  • idiopathic Parkinson disease
  • Parkinson disease NOS
  • primary Parkinson disease
  • Also Known As

  • PD - [Parkinson disease]
  • Related ICD 10 COde
    ICD 10 Code G20

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    Secondary parkinsonism

    Parkinsonism may occur as a result of more widespread heredodegenerative disorders. It is accompanied by other neurological findings such as dystonia, ataxia and dementia. Other family members may be affected.
    Related ICD 10 COde
    ICD 10 Code G20

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    Sporadic Parkinson disease

    Young Onset Parkinson Disease is defined as PD occuring between 21-49 years of age.
    Related ICD 10 COde
    ICD 10 Code G20

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