A9599 HCPCS Level II code: Radiopharmaceutical, diagnostic, for beta-amyloid positron emission tomography (pet) imaging, per study dose, not otherwise specified

CMS terminated A9599: its last date of service was Dec 31, 2017. It stays here for looking up older claims; newer services need a current code.

Official description

A9599

Radiopharmaceutical, diagnostic, for beta-amyloid positron emission tomography (pet) imaging, per study dose, not otherwise specified

Short description: Radioph dx b amyloid pet nos

HCPCS · United States

Notes for A9599

As CMS prints them, with any note A9599 takes from the headings above it.

Note

  • CMS processing note 0191: IOM 100-3, CHAPTER 4, 220.6.20.

Medicare details

The indicators CMS publishes with A9599 in its October 2026 file. They describe Medicare’s handling, not another payer’s.

Medicare coverage
Special coverage instructions apply
Medicare pricing
Other carrier priced
Type of service
Diagnostic radiology
BETOS category
Standard imaging - nuclear medicine
Added
Jan 1, 2014
Terminated after
Dec 31, 2017

Where A9599 sits

  1. 1A codesAmbulance, supplies and miscellaneous
  2. 2Terminated A9599Radiopharmaceutical, diagnostic, for beta-amyloid positron emission tomography (pet) imaging, per study dose, not otherwise specified

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

Is HCPCS code A9599 still valid?

No. CMS terminated A9599; its last date of service was Dec 31, 2017. It is listed for looking up services from before then. Use a current code for newer services.

Does Medicare cover A9599?

CMS lists A9599’s Medicare coverage as “Special coverage instructions apply” 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.