New HCPCS codes for intravenous immune globulin (IVIG)

Four new HCPCS codes have been created to differentiate between lyophilized and nonlyophilized forms of IVIG. Code J1563 has been replaced with Q9941 , Injection, Immune Globulin, Intravenous, Lyophilized, 1 g, and Q9943 , Injection, Immune Globulin, Intravenous, Non-lyophilized, 1 g. Code J1564 has been replaced with Q9942 , Injection, Immune Globulin, Intravenous, Lyophilized, 10 mg, and Q9944 , Injection, Immune Globulin, Intravenous, Non-Lyophilized, 10 mg. Effective April 1, 2005, the codes J1563 and J1564 are no longer paid by Medicare and the status indicator has been changed to “E.” The status indicator for the new Q codes will be &ldquo...

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

Article Overview

This article explains a coding update for intravenous immune globulin (IVIG) in the HCPCS system. It is intended for coders, billers, and reimbursement staff who need to track code replacements, effective dates, Medicare status changes, and where to find related outpatient payment information. The article focuses on the introduction of new HCPCS Level II codes and the transition away from older codes.

Why This Topic Matters

Healthcare coding teams need current HCPCS guidance to avoid using retired codes and to align claims with Medicare payment status updates. Understanding this change helps support accurate reporting and payment workflows for IVIG-related services.

What You Will Learn

  • Which HCPCS code set changes are described
  • How the article frames the replacement of older IVIG billing codes
  • What administrative and payment-related updates are noted for Medicare
  • Where the article directs readers to find outpatient payment information

Who Should Read This

  • Medical coders
  • Billing specialists
  • Reimbursement staff
  • Revenue cycle teams
  • Practice administrators

Codes Discussed


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