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Neurology & Pain Management Coding Alert

ICD-10:

Coding Options for Parkinson's Disease Get More Specific With ICD-10

Published on Wed Sep 14, 2011

Prepare for multiple choices regarding secondary Parkinsonism. When ICD-10 goes into effect in October 2013, you'll have more coding options for Parkinson's disease -- which means neurologists will need to specify more details in their documentation when they diagnose patients. Currently, ICD-9-CM has two diagnoses for Parkinson's disease, and each qualifies the types of conditions included: 332.0 (Paralysis agitans) encompasses idiopathic or primary forms of Parkinsonism or Parkinson's disease, or Parkinson's NOS. 332.1 (Secondary Parkinsonism) includes neuroleptic-induced Parkinsonism or Parkinsonism due to drugs. ICD-10 changes: Diagnosis 332.0 will change to G20 (Parkinson's disease) under ICD-10. Coding guidelines state that you shouldn't report G20 for dementia and Parkinsonism; instead, submit G31.83 under ICD-10. Diagnosis 332.1, however, will expand to numerous specific codes instead of a single catch-all code for secondary Parkinsonism. Each code for secondary Parkinsonism excludes dementia with Parkinsonism (G31.83), Huntington's disease (G10), Shy-Drager syndrome (G90.3), and syphilitic Parkinsonism (A52.19). Your [...]
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