A9590 HCPCS Level II code: Iodine i-131, iobenguane, 1 millicurie
A9590 is the HCPCS code for “Iodine i-131, iobenguane, 1 millicurie” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
A9590Iodine i-131, iobenguane, 1 millicurie
Short description: Iodine i-131 iobenguane 1mci
HCPCS · United States
Medicare details
The indicators CMS publishes with A9590 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Carrier judgment
- Medicare pricing
- Drugs
- ASC
- Approved for ambulatory surgical centers
- Type of service
- Diagnostic radiology
- BETOS category
- Standard imaging - nuclear medicine
- Added
- Jan 1, 2020
Where A9590 sits
- 1A codesAmbulance, supplies and miscellaneous
- 2Active code A9590Iodine i-131, iobenguane, 1 millicurie
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 A9590 mean?
A9590 is the HCPCS code for “Iodine i-131, iobenguane, 1 millicurie” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover A9590?
CMS lists A9590’s Medicare coverage as “Carrier judgment” and its pricing as “Drugs”. 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 A9590
All A codesA9584Iodine 1-123 ioflupane, diagnostic, per study dose, up to 5 millicuriesA9585Injection, 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 mgA9591Fluoroestradiol f 18, diagnostic, 1 millicurieA9592Copper cu-64, dotatate, diagnostic, 1 millicurieA9593Gallium ga-68 psma-11, diagnostic, (ucsf), 1 millicurieA9594Gallium ga-68 psma-11, diagnostic, (ucla), 1 millicurieA9595Piflufolastat f 18 (pylarify), diagnostic, 1 millicurieA9596Gallium ga-68 gozetotide, diagnostic, (illuccix), 1 millicurie