J2291 HCPCS Level II code: Injection, nafcillin sodium (baxter), 20 mg
J2291 is the HCPCS code for “Injection, nafcillin sodium (baxter), 20 mg” in CMS’s October 2026 release, in effect from Oct 1, 2026.
Official description
J2291Injection, nafcillin sodium (baxter), 20 mg
Short description: Inj, nafcillin (baxter) 20mg
HCPCS · United States
Medicare details
The indicators CMS publishes with J2291 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
- Oct 1, 2025
Where J2291 sits
- 1J codesDrugs administered other than orally
- 2Active code J2291Injection, nafcillin sodium (baxter), 20 mg
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
What does HCPCS code J2291 mean?
J2291 is the HCPCS code for “Injection, nafcillin sodium (baxter), 20 mg” in CMS’s HCPCS Level II October 2026 release.
Does Medicare cover J2291?
CMS lists J2291’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 J2291
All J codesJ2275Injection, morphine sulfate (preservative-free sterile solution), per 10 mgJ2277Injection, motixafortide, 0.25 mgJ2278Injection, ziconotide, 1 microgramJ2280Injection, moxifloxacin, 100 mgJ2281Injection, moxifloxacin (fresenius kabi), not therapeutically equivalent to j2280, 100 mgJ2290Injection, nafcillin sodium, 20 mgJ2300Injection, nalbuphine hydrochloride, per 10 mgJ2305Injection, nitroglycerin, 5 mgJ2310Injection, naloxone hydrochloride, per 1 mgJ2311Injection, naloxone hydrochloride (zimhi), 1 mgJ2312Injection, naloxone hydrochloride, not otherwise specified, 0.01 mgJ2313Injection, naloxone hydrochloride (zimhi), 0.01 mg