Q9983 — Florbetaben f18, diagnostic, per study dose, up to 8.1 millicuries
Q9983 is a HCPCS Level II code for florbetaben f18, diagnostic, per study dose, up to 8.1 millicuries. It belongs to the Temporary Codes section. Whether Medicare pays it depends on the coverage rule below.
Medicare coverage: Special coverage instructions apply
There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
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 statusE
Excluded from the physician fee schedule by regulation. Payment, where it exists, comes from another fee schedule (drugs via ASP, supplies via DMEPOS, and so on).
Global period: XXX
Want the dollar amount for your locality? The fee calculator applies your GPCI and the current conversion factor.
Medically Unlikely Edits — units per day
The most units of Q9983 Medicare will pay on one date of service. Bill more on a single line and it is denied. The limit is not the same in every setting, so the row that matters is the one matching the claim you are building.
- practitioner
- 1 unit MAI 3 — Date of Service Edit: Clinical · Nature of Service/Procedure
- outpatient
- 1 unit MAI 3 — Date of Service Edit: Clinical · Nature of Service/Procedure
The adjudication indicator decides whether exceeding the limit is worth appealing at all: MAI 1 is a line edit you can support with documentation, MAI 3 is a date-of-service edit that is also appealable, and MAI 2 is absolute — no documentation overrides it. CMS MUE 2026Q3.
The CMS record for Q9983
- Long descriptor
- Florbetaben f18, diagnostic, per study dose, up to 8.1 millicuries
- Short descriptor
- Florbetaben f18 diagnostic
- Added
- July 1, 2016
- BETOS
- I1E
- Pricing indicator
- 00 — Not priced by Part B
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.
Service not separately priced by Part B — not covered, bundled into another service, or used by Part A only.
Codes adjacent to Q9983
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If Q9983 is not quite right, the correct code is very often within a few positions of it.
- Q9975Injection, factor viii fc fusion protein (recombinant), per iuterminated
- Q9976Injection, ferric pyrophosphate citrate solution, 0.1 mg of ironterminated
- Q9977Compounded drug, not otherwise classifiedterminated
- Q9978Netupitant 300 mg and palonosetron 0.5 mgterminated
- Q9979Injection, alemtuzumab, 1 mgterminated
- Q9980Hyaluronan or derivative, genvisc 850, for intra-articular injection, 1 mgterminated
- Q9981Rolapitant, oral, 1 mgterminated
- Q9982Flutemetamol f18, diagnostic, per study dose, up to 5 millicuries
- Q9984Levonorgestrel-releasing intrauterine contraceptive system (kyleena), 19.5 mgterminated
- Q9985Injection, hydroxyprogesterone caproate, not otherwise specified, 10 mgterminated
- Q9986Injection, hydroxyprogesterone caproate, (makena), 10 mgterminated
- Q9987Pathogen(s) test for plateletsterminated
- Q9988Platelets, pheresis, pathogen-reduced, each unitterminated
- Q9989Ustekinumab, for intravenous injection, 1 mgterminated
- Q9991Injection, buprenorphine extended-release (sublocade), less than or equal to 100 mg
- Q9992Injection, buprenorphine extended-release (sublocade), greater than 100 mg
Questions about Q9983
What is HCPCS code Q9983?
Q9983 is a HCPCS Level II code for florbetaben f18, diagnostic, per study dose, up to 8.1 millicuries. It sits in the Temporary Codes section.
Does Medicare cover Q9983?
The CMS HCPCS file marks Q9983 as "Special coverage instructions apply". There are published conditions attached to this code. Check the applicable coverage policy before billing it: the code being valid is not the same as the service being covered.
How is Q9983 paid under the physician fee schedule?
Q9983 carries PFS status code E. Excluded from the physician fee schedule by regulation. Payment, where it exists, comes from another fee schedule (drugs via ASP, supplies via DMEPOS, and so on).