Injection, trastuzumab, excludes biosimilar, 10 mg
Code effective Jul 01, 2019
HCPCS Section
Drugs administered other than oral method, chemotherapy drugs
J9355 is a valid 2026 HCPCS code meaning Injection, trastuzumab, excludes biosimilar, 10 mg or (Inj trastuzumab excl biosimi) for short. HCPCS J9355 has been effective since 07/01/2019 and applies to Medical care.
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HCPCS Level II Code Section J - Drugs administered other than oral method, chemotherapy drugs |
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| HCPCS Code | J9355 |
|---|---|
| Description |
Long description:
Short description: |
| HCPCS Pricing indicator |
51 - Drugs
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| Multiple pricing indicator |
A - Not applicable as HCPCS priced under one methodology
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| Coverage code | C - Carrier judgment |
| ASC payment group code | Effective Jan 01, 2008 - This procedure is approved to be performed in an ambulatory surgical center. |
| BETOS2 code | O1E - Other drugs |
| HCPCS Action code | N - No maintenance for this code |
| Type of service | 1 - Medical care |
| Effective date | Effective Jul 01, 2019 |
| Date added | Added Jan 01, 2000 |
1 Two-digit numeric codes are Level I code modifiers copyrighted© by the American Medical Association's Current Procedural Terminology (CPT).
2 BETOS stands for “Berenson-Eggers Type Of Service”
HCPCS Level II codes and descriptors are approved and maintained jointly by the alpha-numeric editorial panel (consisting of CMS, the Health Insurance Association of America, and the Blue Cross and Blue Shield Association). — Updated 6/23/2026
CPT® is a registered trademark of the American Medical Association (AMA). All rights reserved.