A9598 — Positron emission tomography radiopharmaceutical, diagnostic, for non-tumor identification, not otherwise classified
A9598 is a HCPCS Level II code for positron emission tomography radiopharmaceutical, diagnostic, for non-tumor identification, not otherwise classified. It belongs to the Transportation, Medical & Surgical Supplies, Administrative section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Carrier judgment
Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
From the coverage field of the CMS Alpha-Numeric HCPCS File, release 2026Q3-Jul. This states Medicare’s position on the code, not on your particular claim.
Physician fee schedule statusX
Statutory exclusion. The item or service is not within the statutory definition of 'physician services', so the fee schedule never pays it.
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
The CMS record for A9598
- Long descriptor
- Positron emission tomography radiopharmaceutical, diagnostic, for non-tumor identification, not otherwise classified
- Short descriptor
- Pet dx for non-tumor id, noc
- Added
- January 1, 2017
- BETOS
- I1E
- Pricing indicator
- 57 — Other
The official wording. This is what the code means.
CMS's 28-character form, which is what shows up on a remittance advice.
When CMS introduced the code.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Other carrier priced.
Codes adjacent to A9598
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If A9598 is not quite right, the correct code is very often within a few positions of it.
- A9590Iodine i-131, iobenguane, 1 millicurie
- A9591Fluoroestradiol f 18, diagnostic, 1 millicurie
- A9592Copper cu-64, dotatate, diagnostic, 1 millicurie
- A9593Gallium ga-68 psma-11, diagnostic, (ucsf), 1 millicurie
- A9594Gallium ga-68 psma-11, diagnostic, (ucla), 1 millicurie
- A9595Piflufolastat f-18, diagnostic, 1 millicurie
- A9596Gallium ga-68 gozetotide, diagnostic, (illuccix), 1 millicurie
- A9597Positron emission tomography radiopharmaceutical, diagnostic, for tumor identification, not otherwise classified
- A9599Radiopharmaceutical, diagnostic, for beta-amyloid positron emission tomography (pet) imaging, per study dose, not otherwise specifiedterminated
- A9600Strontium sr-89 chloride, therapeutic, per millicurie
- A9601Flortaucipir f 18 injection, diagnostic, 1 millicurie
- A9602Fluorodopa f-18, diagnostic, per millicurie
- A9603Injection, pafolacianine, 0.1 mg
- A9604Samarium sm-153 lexidronam, therapeutic, per treatment dose, up to 150 millicuries
- A9606Radium ra-223 dichloride, therapeutic, per microcurie
- A9607Lutetium lu 177 vipivotide tetraxetan, therapeutic, 1 millicurie
Questions about A9598
What is HCPCS code A9598?
A9598 is a HCPCS Level II code for positron emission tomography radiopharmaceutical, diagnostic, for non-tumor identification, not otherwise classified. It sits in the Transportation, Medical & Surgical Supplies, Administrative section.
Does Medicare cover A9598?
The CMS HCPCS file marks A9598 as "Carrier judgment". Coverage is decided by your Medicare contractor, not by national policy. Whether this is paid depends on the LCD for your jurisdiction and on what the documentation supports.
How is A9598 paid under the physician fee schedule?
A9598 carries PFS status code X. Statutory exclusion. The item or service is not within the statutory definition of 'physician services', so the fee schedule never pays it.