J1446 HCPCS Level II code: Injection, tbo-filgrastim, 5 micrograms
CMS terminated J1446: its last date of service was Dec 31, 2015. It stays here for looking up older claims; newer services need a current code.
Official description
J1446Injection, tbo-filgrastim, 5 micrograms
Short description: Inj, tbo-filgrastim, 5 mcg
HCPCS · United States
Notes for J1446
As CMS prints them, with any note J1446 takes from the headings above it.
Note
- CMS processing note 0187: PUB. 100-4, CHAPTER 17.
Medicare details
The indicators CMS publishes with J1446 in its October 2026 file. They describe Medicare’s handling, not another payer’s.
- Medicare coverage
- Special coverage instructions apply
- Medicare pricing
- Drugs
- Type of service
- Medical care; Lump sum purchase of DME, prosthetics, orthotics
- BETOS category
- Other drugs
- Added
- Jan 1, 2014
- Terminated after
- Dec 31, 2015
Where J1446 sits
- 1J codesDrugs administered other than orally
- 2Terminated J1446Injection, tbo-filgrastim, 5 micrograms
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 J1446 still valid?
No. CMS terminated J1446; its last date of service was Dec 31, 2015. It is listed for looking up services from before then. Use a current code for newer services.
Does Medicare cover J1446?
CMS lists J1446’s Medicare coverage as “Special coverage instructions apply” 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 J1446
All J codesJ1439Injection, ferric carboxymaltose, 1 mgJ1440Fecal microbiota, live - jslm, 1 mlJ1442Injection, filgrastim (g-csf), excludes biosimilars, 1 microgramJ1443Injection, ferric pyrophosphate citrate solution (triferic), 0.1 mg of ironJ1444Injection, ferric pyrophosphate citrate powder, 0.1 mg of ironJ1445Injection, ferric pyrophosphate citrate solution (triferic avnu), 0.1 mg of ironJ1447Injection, tbo-filgrastim, 1 microgramJ1448Injection, trilaciclib, 1mgJ1449Injection, eflapegrastim-xnst, 0.1 mgJ1450Injection fluconazole, 200 mgJ1451Injection, fomepizole, 15 mgJ1452Injection, fomivirsen sodium, intraocular, 1.65 mg