A9543 – Yttrium y-90 ibritumomab tiuxetan, therapeutic, per treatment dose, up to 40 millicuries
HCPCS Level II code · A codes: Transportation, Medical & Surgical Supplies, Miscellaneous & Experimental
HCPCS codeA9543
- Long description
- Yttrium y-90 ibritumomab tiuxetan, therapeutic, per treatment dose, up to 40 millicuries
- Short description
- Y90 ibritumomab, rx
- Pricing indicator
51Drugs- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
I1EStandard imaging - nuclear medicine- ASC
- Approved for ambulatory surgical centers
- Added
- January 1, 2006
- Last change
- January 1, 2025 – No change
Frequently asked questions
What is HCPCS code A9543?
A9543 is a HCPCS Level II code for yttrium y-90 ibritumomab tiuxetan, therapeutic, per treatment dose, up to 40 millicuries.
Does Medicare cover A9543?
The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby A codes
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- A9536 – Technetium tc-99m depreotide, diagnostic, per study dose, up to 35 millicuries
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- A9538 – Technetium tc-99m pyrophosphate, diagnostic, per study dose, up to 25 millicuries
- A9539 – Technetium tc-99m pentetate, diagnostic, per study dose, up to 25 millicuries
- A9540 – Technetium tc-99m macroaggregated albumin, diagnostic, per study dose, up to 10 millicuries
- A9541 – Technetium tc-99m sulfur colloid, diagnostic, per study dose, up to 20 millicuries
- A9542 – Indium in-111 ibritumomab tiuxetan, diagnostic, per study dose, up to 5 millicuries
- A9544 – Iodine i-131 tositumomab, diagnostic, per study dose
- A9545 – Iodine i-131 tositumomab, therapeutic, per treatment dose
- A9546 – Cobalt co-57/58, cyanocobalamin, diagnostic, per study dose, up to 1 microcurie
- A9547 – Indium in-111 oxyquinoline, diagnostic, per 0.5 millicurie
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- A9550 – Technetium tc-99m sodium gluceptate, diagnostic, per study dose, up to 25 millicurie
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Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.