AHA Coding Clinic® for HCPCS - 2005 Issue 2; FOR your INFORMATION
Modifier additions, reactivations, and deletions
In Transmittal 514, CMS has provided a list of modifiers that were recently reactivated or deleted. The modifiers were identified as follows: Modifier SS—Home infusion services provided in the infusion suite, reactivated effective October 1, 2004. Modifier GX—Service not covered by Medicare, reactivated effective January 1, 2005. Modifier QR—Repeat clinical diagnostic laboratory test performed on the same day to obtain subsequent reportable test value(s), was added to the list of valid modifiers effective January 1, 2005 Modifier CG—Innovator drug dispensed, deleted from the list of valid modifiers effective April 01, 2004 ...
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Article Overview
This article explains a CMS transmittal about changes to the modifier list and is relevant to medical coders, billing staff, and compliance teams tracking payer policy updates. It covers which modifiers were affected, the type of change made, and when each change took effect.
Why This Topic Matters
Keeping modifier references current is important for accurate claims processing, policy compliance, and internal coding edits. Articles like this help readers stay aligned with CMS updates without relying on outdated modifier lists.
What You Will Learn
- How CMS describes changes to the modifier list
- Which modifiers were reactivated, added, or deleted
- The effective dates associated with modifier list updates
- How transmittal-based updates are communicated to coders and billing teams
Who Should Read This
- Medical coders
- Billing specialists
- Compliance staff
- Revenue cycle teams
- Auditors
Modifiers Discussed
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