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2 ML fosphenytoin sodium 75 MG/ML Injection [Cerebyx] — RxCUI 1670201

RxNorm drug concept · Semantic branded drug
RxCUI 1670201 Semantic branded drug · SBD ● Current RxNorm concept 3 FDA products 4 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

RxCUI1670201
Official name2 ML fosphenytoin sodium 75 MG/ML Injection [Cerebyx]
Concept typeSemantic branded drug (SBD)
RxNorm statusCurrent RxNorm concept
Also known as2 ML Cerebyx 75 MG/ML Injection; Cerebyx 100 MG PE in 2 ML Injection; Cerebyx 75 MG/ML (as phenytoin sodium equivalents 100 MG per 2 ML) Injection
FDA products mapped3
Package NDCs mapped4
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

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

📗 Our plain-language guide HelloPharmacist
  • Fosphenytoin is a seizure medicine given by injection when seizures need to be stopped fast or when you can't take medicine by mouth. It's a prodrug — your body converts it into th...
  • What exactly is fosphenytoin and why is it given as an injection instead of a pill?
  • Many people do feel something — itching, tingling, or a burning sensation, often in the groin area, during or just after the infusion. This is actually pretty common with fosphenyt...
  • Will I feel anything during the IV infusion?
📖 Read our full Fosphenytoin Injection guide →

🕸️ Concept Web — How 2 ML fosphenytoin sodium 75 MG/ML Injection [Cer... 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 2 ML fosphenytoin sodium 75 MG/ML Injection [Cerebyx] RxCUI 1670201

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

  1. Ingredients 2

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

    • Fosphenytoin 72236
    • Fosphenytoin sodium 82806
  2. Brand names 1

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

    • Cerebyx 134860
  3. Dose forms 9

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

    • Fosphenytoin Injection 1670194
    • Fosphenytoin sodium Injection 2646686
    • Fosphenytoin Injectable Product 1165675
    • Fosphenytoin sodium Injectable Product 2660196
    • Fosphenytoin Injection [Cerebyx] 1670196
    • Fosphenytoin sodium Injection [Cerebyx] 2658638
    • Cerebyx Injectable Product 1166828
    • Injection 1649574
    • +1 more in this family
  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 — 14 of 15 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

  • 2 ML fosphenytoin sodium 75 MG/ML Injection SCD · 1670200
  • Fosphenytoin sodium 75 MG/ML SCDC · 855892
  • Fosphenytoin Injection SCDF · 1670194
  • Fosphenytoin sodium Injection SCDFP · 2646686
  • Fosphenytoin Injectable Product SCDG · 1165675
  • Fosphenytoin sodium Injectable Product SCDGP · 2660196

Brand-Name Concepts

  • Fosphenytoin sodium 75 MG/ML [Cerebyx] SBDC · 855894
  • Fosphenytoin Injection [Cerebyx] SBDF · 1670196
  • Fosphenytoin sodium Injection [Cerebyx] SBDFP · 2658638
  • Cerebyx Injectable Product SBDG · 1166828
  • Cerebyx BN · 134860

📦 FDA Products & Package NDCs

3 products · 4 package NDCs
4 package NDCs map to RxCUI 1670201 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
00069-5471-02 25 VIAL, SINGLE-DOSE in 1 CARTON (0069-5471-02) / 2 mL in 1... CEREBYX Pfizer Laboratories Div Pfizer Inc 2013-10-28
00069-5474-02 10 VIAL, SINGLE-DOSE in 1 PACKAGE (0069-5474-02) / 10 mL in... CEREBYX Pfizer Laboratories Div Pfizer Inc 2013-10-28
00069-6001-21 10 VIAL in 1 PACKAGE (0069-6001-21) / 10 mL in 1 VIAL (0069... CEREBYX Pfizer Laboratories Div Pfizer Inc 2013-10-28
00069-6001-25 25 VIAL in 1 CARTON (0069-6001-25) / 2 mL in 1 VIAL (0069-6... CEREBYX Pfizer Laboratories Div Pfizer Inc 2013-10-28
Observed labelers: Pfizer Laboratories Div Pfizer Inc (4) — this is the FDA-listed mapping footprint, not sales, inventory, availability, or market share.

🗃️ 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.