Keep using A4644-A4646 for contrast; forget new A9525

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Note:  The following article synopsis was NOT provided by HCPro. It was created by Find-A-Code/innoviHealth.

Article Overview

This article explains a CMS correction affecting HCPCS coding for low osmolar contrast material and the resulting change in Medicare claim reporting. It is relevant to coders, billing staff, and reimbursement teams tracking CMS transmittals, HCPCS updates, and effective-date changes.

Why This Topic Matters

It highlights a Medicare-specific coding update that changes which HCPCS identifiers remain valid and when the new code becomes invalid, helping readers stay aligned with current CMS guidance.

What You Will Learn

  • What CMS changed regarding contrast material coding
  • Which coding update affects Medicare claims timing
  • How this article fits into HCPCS and CMS transmittal monitoring
  • Why effective dates matter for billing updates

Who Should Read This

  • Medical coders
  • Billing specialists
  • Revenue cycle staff
  • Compliance staff
  • Radiology coding professionals

Codes Discussed

Code Ranges Discussed

  • HCPCS LEVEL II: A4644-A4646

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