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G20.B1

✓ Billable

Parkinson's disease with dyskinesia, without mention of fluctuations

Diseases of the nervous system (G00-G99)

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Also Known As

Parkinson's disease with dyskinesia, without mention of OFF episodes

❌ Excludes1

inherited from G20.B

Rules from parent category G20.B: Parkinson's disease with dyskinesia

  • • drug induced dystonia (G24.0-)

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Code Information

CodeG20.B1
BillableYes
ParentG20.B
CategoryDiseases of the nervous system (G00-G99)
Excludes11 rule(s)
Excludes20 note(s)

Data Source

CMS ICD-10-CM 2026 Tabular List

Updated October 1, 2025 (FY2026)