J9358 – Injection, fam-trastuzumab deruxtecan-nxki, 1 mg
HCPCS Level II code · J codes: Drugs Administered Other Than Oral Method
HCPCS codeJ9358
- Long description
- Injection, fam-trastuzumab deruxtecan-nxki, 1 mg
- Short description
- Inj fam-trastu deru-nxki 1mg
- 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, 2020
- Last change
- July 1, 2020 – No change
Frequently asked questions
What is HCPCS code J9358?
J9358 is a HCPCS Level II code for injection, fam-trastuzumab deruxtecan-nxki, 1 mg.
Does Medicare cover J9358?
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.
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Source: CMS HCPCS Level II quarterly file, October 2026. Reference only – check payer policy before billing.