HCPCS Level II · Transportation, medical and surgical supplies
A9591Fluoroestradiol f 18, diagnostic, 1 millicurie
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Source: CMS HCPCS quarterly update, October 2026. Page updated September 29, 2026.
About A9591
A9591 is an HCPCS Level II code in the A series (transportation, medical and surgical supplies), describing fluoroestradiol f 18, diagnostic, 1 millicurie.
It was added to HCPCS effective 01/01/2021, and its current record took effect 01/01/2025.
Its Medicare coverage code is "C", meaning coverage is left to the Medicare contractor's judgment.
Details
- Short description
- Fluoroestradiol f 18
- Date added
- 01/01/2021
- Action effective
- 01/01/2025
- BETOS
- I1E
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Common questions about A9591
Is HCPCS A9591 still valid?
- Yes. A9591 is active in the CMS October 2026 HCPCS file.
Does Medicare cover A9591?
- Its coverage code is "C": coverage is left to the Medicare contractor's judgment. Check the local coverage determination for your region.