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Coding Corner: Parkinson’s disease is more than just tremors

Q: Who is affected by this change?

This affects BCBS Michigan Neurology, Family Medicine, Internal Medicine, General Practice, Geriatrics providers in MI on All Plans plans.

BCBS Michigan·MI · Neurology, Family Medicine, Internal Medicine +2 more·Coding

Effective date

Not stated

We identified it

Jun 16, 2026

Days to comply

—

Summary

Blue Cross Blue Shield of Michigan has updated coding guidelines for Parkinson's disease, requiring more detailed documentation of symptoms, functional impact, and disease progression rather than just listing the diagnosis alone.

Action Required

Action needed

Immediately: Providers must enhance Parkinson's disease documentation to include specific motor and non-motor symptoms (tremor, rigidity, cognitive changes), functional impacts on mobility and ADLs, disease status (stable/worsening), and management evidence. Update EMR templates to prompt for comprehensive Parkinson's documentation. Link all related symptoms and conditions to Parkinson's disease when clinically appropriate.

Related policy hubs

BCBS Michigan policies MI policy changes Neurology Family Medicine Internal Medicine General Practice Geriatrics