J1946: Injection, furosemide (lasix onyu), 1 mg
J1946 is a HCPCS Level II code for injection, furosemide (lasix onyu), 1 mg. It belongs to the Drugs Administered Other Than Oral Method 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 2026Q4-Oct. This states Medicare’s position on the code, not on your particular claim.
The CMS record for J1946
- Long descriptor
- Injection, furosemide (lasix onyu), 1 mg
- Short descriptor
- Inj, furose lasix onyu, 1 mg
- Added
- October 1, 2026
- BETOS
- O1E
- Pricing indicator
- 51: 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.
Drugs.
Codes adjacent to J1946
HCPCS has no hierarchy: related items simply sit next to each other in the numbering. If J1946 is not quite right, the correct code is very often within a few positions of it.
- J1938Injection, furosemide, 1 mg
- J1939Injection, bumetanide, 0.5 mg
- J1940Injection, furosemide, up to 20 mgterminated
- J1941Injection, furosemide (furoscix), 20 mgterminated
- J1942Injection, aripiprazole lauroxil, 1 mgterminated
- J1943Injection, aripiprazole lauroxil, (aristada initio), 1 mg
- J1944Injection, aripiprazole lauroxil, (aristada), 1 mg
- J1945Injection, lepirudin, 50 mgterminated
- J1947Injection, furosemide (furoscix), 1 mg
- J1950Injection, leuprolide acetate (for depot suspension), per 3.75 mg
- J1951Injection, leuprolide acetate for depot suspension (fensolvi), 0.25 mg
- J1952Leuprolide injectable, camcevi, 1 mg
- J1953Injection, levetiracetam, 10 mgterminated
- J1954Injection, leuprolide acetate for depot suspension (lutrate depot), 7.5 mg
- J1955Injection, levocarnitine, per 1 gm
- J1956Injection, levofloxacin, 250 mg