Neurology & Pain Management Coding Alert

Readers Questions:

Use G20 for Several Parkinson’s Manifestations

Question: If my provider documented a diagnosis for Parkinson’s disease, which ICD-10 code should I report?

South Carolina Subscriber

Answer: You should report G20 (Parkinson’s disease) for Parkinson’s disease.

Other included diagnoses under G20 include the following:

  • Hemiparkinsonism
  • Idiopathic Parkinsonism or Parkinson’s disease
  • Paralysis agitans
  • Parkinsonism or Parkinson’s disease NOS
  • Primary Parkinsonism or Parkinson’s disease.

Don’t miss: Code G20 has an Excludes1 note for G31.83 (Dementia with Parkinsonism), so report G31.83 if the surgeon documents dementia and Parkinsonism.

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