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Oxacillin 100 MG/ML Injectable Solution — RxCUI 312127

RxNorm drug concept · Semantic clinical drug
RxCUI 312127 Semantic clinical drug · SCD ● Current RxNorm concept 3 FDA products 3 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

RxCUI312127
Official nameOxacillin 100 MG/ML Injectable Solution
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
FDA products mapped3
Package NDCs mapped3
Reported Medicaid activity (SDUD)963 prescriptions · 17 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 Oxacillin Injection: what it is, how it’s used, side effects, and interactions.

📗 Our plain-language guide HelloPharmacist
  • Oxacillin is specifically designed to fight staph bacteria that have learned to break down standard penicillin. The staph strain causing your infection produces an enzyme called pe...
  • Why am I getting oxacillin instead of a regular penicillin?
  • That depends on how serious your infection is and how well your body responds. Mild to moderate infections are often treated for at least two weeks, while serious infections like e...
  • How long will I need to be on this antibiotic?
📖 Read our full Oxacillin Injection guide →

🕸️ Concept Web — How Oxacillin 100 MG/ML Injectable Solution 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 Oxacillin 100 MG/ML Injectable Solution RxCUI 312127

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.

    • Oxacillin 7773
  2. Dose forms 4

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

    • Oxacillin Injectable Solution 376698
    • Oxacillin Injectable Product 1161660
    • Injectable Solution 316949
    • Injectable Product 1151126
  3. Clinical & branded drugs 1

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

    • Oxacillin 100 MG/ML 334355

Showing up to 8 concepts per family — 6 of 6 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

  • Oxacillin 100 MG/ML SCDC · 334355
  • Oxacillin Injectable Solution SCDF · 376698
  • Oxacillin Injectable Product SCDG · 1161660

📦 FDA Products & Package NDCs

3 products · 3 package NDCs
3 package NDCs map to RxCUI 312127 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
55150-0129-99 1 VIAL, PHARMACY BULK PACKAGE in 1 BOX (55150-129-99) / 100... Oxacillin Eugia US LLC 2013-01-18
63323-0811-00 1 VIAL, PHARMACY BULK PACKAGE in 1 CARTON (63323-811-00) /... Oxacillin Fresenius Kabi USA, LLC 2020-11-01
64679-0700-03 1 VIAL, PHARMACY BULK PACKAGE in 1 CARTON (64679-700-03) /... Oxacillin Wockhardt USA LLC. 2017-11-24
Observed labelers: Eugia US LLC (1) · Fresenius Kabi USA, LLC (1) · Wockhardt USA LLC. (1) — 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
J2700 Oxacillin sodium injeciton 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.