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50 ML cetuximab 2 MG/ML Injection — RxCUI 1657658

RxNorm drug concept · Semantic clinical drug
RxCUI 1657658 Semantic clinical drug · SCD ● Current RxNorm concept 2 FDA products 2 package NDCs Snapshot Jul 14, 2026

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Compiled from public NLM RxNorm and FDA (openFDA NDC directory) data sources. Editorial policy

What you’re looking at: the standardized identity of one medicine, as the U.S. drug-data system sees it. Below — every FDA-listed product, package code, price benchmark, and billing code that maps to it.

🗂️ Key Facts

RxCUI1657658
Official name50 ML cetuximab 2 MG/ML Injection
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
Also known ascetuximab 100 MG per 50 ML Injection; cetuximab 100 MG in 50 ML Injection
FDA products mapped2
Package NDCs mapped2
Reported Medicaid activity (SDUD)8,583 prescriptions · 45 state & territory Medicaid programs · latest period Q4 2025
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

Our pharmacist-built guide to Cetuximab Injection: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Erbitux is not a traditional chemotherapy. It's a targeted therapy called a monoclonal antibody. Instead of attacking all fast-dividing cells the way chemotherapy does, it zeroes i...
  • What exactly does Erbitux do — is it a chemotherapy drug?
  • The most important thing to watch for is an infusion reaction — this can happen during the drip or even a few hours after. Signs include sudden trouble breathing, throat tightness,...
  • What should I watch for during and after my infusion?
📖 Read our full Cetuximab Injection guide →

🕸️ Concept Web — How 50 ML cetuximab 2 MG/ML Injection Connects

One RxCUI never lives alone. Follow the path from the raw ingredient down to the exact strength-and-form concepts FDA products carry — every stop is a real RxNorm concept with its own identifier. Hover or focus any chip for what it means.
This page's concept 50 ML cetuximab 2 MG/ML Injection RxCUI 1657658

Every web starts here: one RxCUI, one fixed meaning in the RxNorm vocabulary.

  1. Ingredients 1

    The active substance itself — no strength, form, or brand attached yet.

    • Cetuximab 318341
  2. Brand names 1

    The same medicine's trade names. A brand name alone says nothing about strength or form.

    • Erbitux 355460
  3. Dose forms 6

    The ingredient poured into a form — tablet, solution, cream — still without one fixed strength.

    • Cetuximab Injection 1657657
    • Cetuximab Injectable Product 1161239
    • Cetuximab Injection [Erbitux] 1657659
    • Erbitux Injectable Product 1168274
    • Injection 1649574
    • Injectable Product 1151126
  4. Clinical & branded drugs 3

    Ingredient + strength + dose form. These are the concepts real FDA products actually carry.

Showing up to 8 concepts per family — 11 of 11 stored related concepts drawn.
These are official RxNorm vocabulary relationships — how concepts name and organize the same medicine. They do not establish therapeutic equivalence or substitutability: two concepts appearing in one web is never a statement that products can be swapped.

🔀 Generic ⇄ Brand Crosswalk

The same medicine has an unbranded (generic) identity and one or more brand-name identities — each with its own RxCUI. This is a naming relationship in RxNorm, not a statement that any two products are substitutable.

Generic (Clinical) Concepts

  • Cetuximab 2 MG/ML SCDC · 485253
  • Cetuximab Injection SCDF · 1657657
  • Cetuximab Injectable Product SCDG · 1161239

Brand-Name Concepts

📦 FDA Products & Package NDCs

2 products · 2 package NDCs
2 package NDCs map to RxCUI 1657658 in the current snapshot — up to 50 per page. Each linked NDC opens its full package page.
Package NDC Package Brand / generic name Labeler Marketing start
66733-0948-23 1 VIAL, SINGLE-DOSE in 1 CARTON (66733-948-23) / 50 mL in 1... ERBITUX ImClone LLC 2004-02-12
66733-0958-23 1 VIAL, SINGLE-DOSE in 1 CARTON (66733-958-23) / 100 mL in... ERBITUX ImClone LLC 2007-10-02
Observed labelers: ImClone LLC (2) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🧾 Billing Codes (HCPCS)

Medical billing codes (HCPCS "J-codes") that connect to this concept's packages — used mostly when a clinic or hospital bills for a drug it administers. Each code links to its full billing page.
CodeDescriptorMapped packagesSources
J9055 Cetuximab injection 2 CMS
⚠ A crosswalk is not coverage: an NDC↔HCPCS mapping does not guarantee any payer covers or pays the code. Always verify the current payer policy before billing.

🗃️ Sources & Limits

Atlas generation902fddb9-e9c1-4004-bf4c-dba4d51037c7
openFDA export observedJul 14, 2026
RxNorm release07/06/2026
Methodology2026-07-full-catalog-v1
  • A shared RxCUI does not prove interchangeability. Products mapped to the same concept are not thereby equivalent or substitutable — equivalence is a separate, product-level determination.
  • Listing here does not establish approval or coverage. Appearing in this snapshot is a data observation, not an FDA approval status or a payer coverage decision.
  • Missing data never means zero. A silent dataset (no price, no billing code, no utilization) means no observation — not that the real-world value is zero.
  • Counts describe the mapping footprint. Product, package, and labeler counts are the FDA-listed mapping footprint in this snapshot — not sales, inventory, availability, or market share.
This product uses publicly available data from the U.S. National Library of Medicine (NLM), National Institutes of Health, Department of Health and Human Services; NLM is not responsible for the product and does not endorse or recommend this or any other product.

Machine-readable JSON

Reference information about drug-concept identifiers and public regulatory data — not medical advice. Talk to your pharmacist or prescriber about your own medication.