Skip to main content
HCPCS Level II/A-Codes/A9543

A9543 HCPCS Level II Code: Yttrium y-90 ibritumomab tiuxetan, therapeutic, per treatment dose, up to 40 millicuries

Medicare Coverage & Payment

  • Medicare coverage: Carrier judgment (CMS coverage code C)
  • Payment category: Drugs (pricing indicator 51)
  • BETOS: I1E — Standard imaging - nuclear medicine
  • Last CMS action effective: January 1, 2025

Source: CMS HCPCS Level II release. Coverage codes indicate how Medicare treats the code, not whether a specific claim will be paid; payer policy and documentation still govern.

Official Registry Overview & Definition

Yttrium y-90 ibritumomab tiuxetan, therapeutic, per treatment dose, up to 40 millicuries is a HCPCS Level II code (A9543). CMS assigns coverage code C — Carrier judgment. Short description: Y90 ibritumomab, rx.

Nearest Codes in This Family

Official HCPCS Level II classifications closest to A9543 in its code family, with their registry titles.

  • 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
  • A9548 — Indium in-111 pentetate, diagnostic, per 0.5 millicurie