CDPH Revises Guidelines on Parkinson's Reporting Requirements

The California Department of Public Health (CDPH) has revised its guidelines on what cases of Parkinson's disease must be reported to by physicians beginning July 1, in response to concerns from the California Medical Association (CMA) and others. Among the changes are limiting reportable ICD-10 codes to patient encounters for diagnosis or treatment of Parkinson's disease occurring on or after July 1; excluding ancillary encounters (e.g., lab imaging); and extending the reporting compliance date from 90 to 180 days through September 30. The revised Implementation Guide is at For more information, go to