A9554 HCPCS Level II code: Iodine i-125 sodium iothalamate, diagnostic, per study dose, up to 10 microcuries
A9554 is the HCPCS code for “Iodine i-125 sodium iothalamate, diagnostic, per study dose, up to 10 microcuries” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A9554Iodine i-125 sodium iothalamate, diagnostic, per study dose, up to 10 microcuries
Short description: I125 iothalamate, dx
HCPCS · United States
Medicare details
The indicators CMS publishes with A9554 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Statute
- ASC
- Approved for ambulatory surgical centers
- Type of service
- Diagnostic radiology
- BETOS category
- Standard imaging - nuclear medicine
- Added
- Jan 1, 2006
Where A9554 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A9554Iodine i-125 sodium iothalamate, diagnostic, per study dose, up to 10 microcuries
Source and release
- Data release
- HCPCS Level II · October 2026
- Effective date
- Oct 1, 2026
- Publisher
- CMS
This page is built from the HCPCS Level II catalog that Vero Codes reads when it suggests codes: Centers for Medicare & Medicaid Services’s October 2026 release, imported from the publisher’s file and checked against it. The description, notes and structured data come from the same record.
Frequently asked questions
What does HCPCS code A9554 mean?
A9554 is the HCPCS code for “Iodine i-125 sodium iothalamate, diagnostic, per study dose, up to 10 microcuries” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A9554?
CMS lists A9554’s Medicare coverage as “Carrier judgment” and its pricing as “Statute”. Coverage and payment still depend on the patient, the setting, the documentation and the payer.
Which HCPCS Level II release does this page use?
It uses CMS’s October 2026 release, in effect from Oct 1, 2026 to Dec 31, 2026. It is a reference: confirm the code against the current list and the payer’s rules before you submit it.
Codes beside A9554
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