decisionhealth Newsletters, Answer Books - 2009 Issue 2 (February)
Diagnosis Codes / ICD-9-CM receives updates twice per year, grace period gone
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Article Overview
This article covers the federal and Medicare-driven update schedule for ICD-9-CM and ICD-9-PCS, including the two annual effective dates and the elimination of the former grace period. It is relevant to coders, billing staff, and compliance teams who need to understand how diagnosis and procedure code set changes are tied to the date of service.
Why This Topic Matters
Understanding when code set updates take effect helps organizations maintain compliant claim processing and avoid using outdated diagnosis or procedure codes after the annual changeover.
What You Will Learn
- How the ICD-9-CM and ICD-9-PCS update cycle is structured
- Which federal provisions are discussed in relation to code set updates
- Why date-of-service handling matters for annual code changes
- What happened to the former grace period for ICD-9-CM updates
Who Should Read This
- Medical coders
- Billing staff
- Revenue cycle teams
- Compliance professionals
- Provider office administrators
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