J3305 — Injection, trimetrexate glucuronate, per 25 mg
J3305 is a HCPCS Level II code for injection, trimetrexate glucuronate, per 25 mg. It belongs to the Drugs Administered Other Than Oral Method section. It was terminated on December 31, 2025 and is not valid on new claims.
This code has been terminated
CMS terminated J3305 on December 31, 2025. It stays in the file as history — a claim you are auditing from before that date may legitimately carry it — but it must not appear on a new claim. The adjacent codes below are the usual place to look for its replacement.
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.
The CMS record for J3305
- Long descriptor
- Injection, trimetrexate glucuronate, per 25 mg
- Short descriptor
- Inj trimetrexate glucoronate
- Added
- January 1, 1996
- Terminated
- December 31, 2025
- 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.
When CMS retired it.
Berenson-Eggers Type of Service — CMS's own analytic grouping.
Drugs.
Codes adjacent to J3305
HCPCS has no hierarchy — related items simply sit next to each other in the numbering. If J3305 is not quite right, the correct code is very often within a few positions of it.
- J3290Injection, tranexamic acid, 5 mg
- J3291Injection, tranexamic acid in sodium chloride, 5 mg
- J3299Injection, triamcinolone acetonide (xipere), 1 mg
- J3300Injection, triamcinolone acetonide, preservative free, 1 mg
- J3301Injection, triamcinolone acetonide, not otherwise specified, 10 mg
- J3302Injection, triamcinolone diacetate, per 5 mg
- J3303Injection, triamcinolone hexacetonide, per 5 mg
- J3304Injection, triamcinolone acetonide, preservative-free, extended-release, microsphere formulation, 1 mg
- J3310Injection, perphenazine, up to 5 mgterminated
- J3315Injection, triptorelin pamoate, 3.75 mg
- J3316Injection, triptorelin, extended-release, 3.75 mg
- J3320Injection, spectinomycin dihydrochloride, up to 2 gmterminated
- J3350Injection, urea, up to 40 gm
- J3355Injection, urofollitropin, 75 iuterminated
- J3357Ustekinumab, for subcutaneous injection, 1 mg
- J3358Ustekinumab, for intravenous injection, 1 mg
Questions about J3305
What is HCPCS code J3305?
J3305 is a HCPCS Level II code for injection, trimetrexate glucuronate, per 25 mg. It sits in the Drugs Administered Other Than Oral Method section.
Does Medicare cover J3305?
The CMS HCPCS file marks J3305 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.
Is J3305 still valid?
No. J3305 was terminated on December 31, 2025 and should not be used on new claims.