A9540
HCPCSTc99m maa
Official HCPCS Level II long descriptor
Technetium tc-99m macroaggregated albumin, diagnostic, per study dose, up to 10 millicuries
HCPCS Level II code A9540 is maintained by CMS and is active in the current quarterly release.
Short descriptor
Tc99m maa
Added to HCPCS: 2006-01-01
Nearby codes in A9
- A9529I131 iodide sol, dx
- A9530I131 iodide sol, rx
- A9531I131 max 100uci
- A9532I125 serum albumin, dx
- A9536Tc99m depreotide
- A9537Tc99m mebrofenin
- A9538Tc99m pyrophosphate
- A9539Tc99m pentetate
- A9541Tc99m sulfur colloid
- A9542In111 ibritumomab, dx
- A9543Y90 ibritumomab, rx
- A9546Co57/58
- A9547In111 oxyquinoline
- A9548In111 pentetate
- A9550Tc99m gluceptate
- A9551Tc99m succimer
Where this code sits
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HCPCS Level II July 2026 quarterly update. Centers for Medicare & Medicaid Services (CMS), “July 2026 Alpha-Numeric HCPCS File” (HCPC2026_JUL_ANWEB_06172026.txt). Download the original file from cms.gov. Public domain (US Government work). Descriptors, billable flags and instructional notes on this page are reproduced from that file without modification. Krasyn adds no clinical guidance.