A9584 HCPCS Level II code: Iodine 1-123 ioflupane, diagnostic, per study dose, up to 5 millicuries
A9584 is the HCPCS code for “Iodine 1-123 ioflupane, diagnostic, per study dose, up to 5 millicuries” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A9584Iodine 1-123 ioflupane, diagnostic, per study dose, up to 5 millicuries
Short description: Iodine i-123 ioflupane
HCPCS · United States
Medicare details
The indicators CMS publishes with A9584 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Other carrier priced
- ASC
- Approved for ambulatory surgical centers
- Type of service
- Diagnostic radiology
- BETOS category
- Standard imaging - nuclear medicine
- Added
- Jan 1, 2012
Where A9584 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A9584Iodine 1-123 ioflupane, diagnostic, per study dose, up to 5 millicuries
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 A9584 mean?
A9584 is the HCPCS code for “Iodine 1-123 ioflupane, diagnostic, per study dose, up to 5 millicuries” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A9584?
CMS lists A9584’s Medicare coverage as “Carrier judgment” and its pricing as “Other carrier priced”. 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 A9584
All A codesA9578Injection, gadobenate dimeglumine (multihance multipack), per mlA9579Injection, gadolinium-based magnetic resonance contrast agent, not otherwise specified (nos), per mlA9580Sodium fluoride f-18, diagnostic, per study dose, up to 30 millicuriesA9581Injection, gadoxetate disodium, 1 mlA9582Iodine i-123 iobenguane, diagnostic, per study dose, up to 15 millicuriesA9583Injection, gadofosveset trisodium, 1 mlA9585Injection, gadobutrol, 0.1 mlA9586Florbetapir f18, diagnostic, per study dose, up to 10 millicuriesA9587Gallium ga-68, dotatate, diagnostic, 0.1 millicurieA9588Fluciclovine f-18, diagnostic, 1 millicurieA9589Instillation, hexaminolevulinate hydrochloride, 100 mgA9590Iodine i-131, iobenguane, 1 millicurie