J9356 – Injection, trastuzumab, 10 mg and hyaluronidase-oysk
HCPCS Level II code · J codes: Drugs Administered Other Than Oral Method
HCPCS codeJ9356
- Long description
- Injection, trastuzumab, 10 mg and hyaluronidase-oysk
- Short description
- Inj. herceptin hylecta, 10mg
- Pricing indicator
51Drugs- Medicare coverage
CCarrier judgment – coverage decided by the Medicare contractor- BETOS category
O1EOther drugs- ASC
- Approved for ambulatory surgical centers
- Added
- July 1, 2019
- Last change
- July 1, 2019 – No change
Frequently asked questions
What is HCPCS code J9356?
J9356 is a HCPCS Level II code for injection, trastuzumab, 10 mg and hyaluronidase-oysk.
Does Medicare cover J9356?
The HCPCS file lists coverage code C: Carrier judgment – coverage decided by the Medicare contractor. Coverage and payment also depend on local coverage determinations and the patient’s plan.
Nearby J codes
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- J9352 – Injection, trabectedin, 0.1 mg
- J9353 – Injection, margetuximab-cmkb, 5 mg
- J9354 – Injection, ado-trastuzumab emtansine, 1 mg
- J9355 – Injection, trastuzumab, excludes biosimilar, 10 mg
- J9357 – Injection, valrubicin, intravesical, 200 mg
- J9358 – Injection, fam-trastuzumab deruxtecan-nxki, 1 mg
- J9359 – Injection, loncastuximab tesirine-lpyl, 0.075 mg
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- J9361 – Injection, efbemalenograstim alfa-vuxw, 0.5 mg
- J9362 – Injection, trabectedin, 0.01 mg
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- J9371 – Injection, vincristine sulfate liposome, 1 mg
Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.