Parkinson's Disease ICD-10-CM Codes

Delve into ICD-10 codes for Parkinson's Disease. Explore detailed clinical data and related coding nuances. Your guide to all things Parkinson's coding.

By Patricia Buenaventura on Feb 29, 2024.

Fact Checked by Ericka Pingol.

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Parkinson's Disease ICD-10-CM Codes

What ICD-10 Codes Are Used for Parkinson's Disease?

To accurately document and diagnose Parkinson's Disease, it's essential to be aware of the relevant Parkinson's Disease ICD codes. Here are some prominent codes:

  • G20: Parkinson's disease
  • G21.0: Malignant neuroleptic syndrome
  • G21.1: Other drug-induced secondary Parkinsonism
  • G21.11: Neuroleptic-induced Parkinsonism
  • G21.19: Other drug-induced secondary Parkinsonism
  • G21.2: Secondary Parkinsonism due to other external agents
  • G21.3: Postencephalitic Parkinsonism
  • G21.8: Other secondary Parkinsonism
  • G21.9: Secondary Parkinsonism, unspecified

These Parkinson's Disease ICD codes assist in detailing patient histories and streamlining the billing process.

Which Parkinson's Disease ICD Codes Are Billable?

  • G20: Yes, specific to Parkinson's disease itself.
  • G21.0: Yes, for malignant neuroleptic syndrome.
  • G21.1: Yes, specifying drug-induced secondary Parkinsonism.
  • G21.11: Yes, for neuroleptic-induced Parkinsonism.
  • G21.19: Yes, for other drug-induced secondary Parkinsonism.
  • G21.2: Yes, pertaining to secondary Parkinsonism due to external agents.
  • G21.3: Yes, related to postencephalitic Parkinsonism.
  • G21.8: Yes, for other types of secondary Parkinsonism.
  • G21.9: Yes, for unspecified secondary Parkinsonism.

Clinical Information

Parkinson's disease is a neurodegenerative disorder that affects movement. Vital clinical highlights include:

  • Generally develops after age 60 but can occur earlier.
  • Symptoms include tremors, rigidity, and bradykinesia.
  • Result of a reduction in dopamine-producing neurons in the brain.
  • The exact cause is unknown, but genetic and environmental factors play a role.
  • No cure currently exists, but symptoms can be managed with medications and therapies.

Synonyms Include:

  • Parkinsonism
  • Idiopathic Parkinson's
  • Paralysis agitans
  • Shaking palsy
  • Parkinsonian syndrome
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Commonly asked questions

Is there a difference between Parkinson's Disease and secondary Parkinsonism?

Yes, while Parkinson's Disease is idiopathic, secondary parkinsonism results from specific causes like drugs or other diseases.

How do Parkinson's Disease ICD codes differ from secondary Parkinsonism codes?

Parkinson's Disease ICD codes like G20 are specific to the disease, while others like the G21.x series address different secondary parkinsonism causes.

Can Parkinson's Disease be reversed with treatment?

There's no cure for Parkinson's Disease, but treatments can effectively manage and alleviate symptoms.

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