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Helium 79 % / oxygen 21 % Gas for Inhalation — RxCUI 542167

RxNorm drug concept · Semantic clinical drug
RxCUI 542167 Semantic clinical drug · SCD ● Current RxNorm concept 1 FDA product 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

RxCUI542167
Official nameHelium 79 % / oxygen 21 % Gas for Inhalation
Concept typeSemantic clinical drug (SCD)
RxNorm statusCurrent RxNorm concept
FDA products mapped1
Package NDCs mapped4
RxNorm release07/06/2026
Snapshot dataJul 14, 2026

📖 Skip the Codes — Read It in Plain English.

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

📗 Our plain-language guide HelloPharmacist
📖 Read our full Oxygen guide →

🕸️ Concept Web — How Helium 79 % / oxygen 21 % Gas for Inhalation 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 Helium 79 % / oxygen 21 % Gas for Inhalation RxCUI 542167

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

  1. Ingredients 3

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

    • Helium 5140
    • Oxygen 7806
    • Helium / oxygen 692796
  2. Dose forms 4

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

    • Helium / oxygen Gas for Inhalation 348063
    • Helium / oxygen Inhalant Product 1160308
    • Gas for Inhalation 316999
    • Inhalant Product 1151123
  3. Clinical & branded drugs 2

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

    • Helium 79 % 542166
    • Oxygen 21 % 393058

Showing up to 8 concepts per family — 9 of 9 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

  • Helium 79 % SCDC · 542166
  • Oxygen 21 % SCDC · 393058
  • Helium / oxygen Gas for Inhalation SCDF · 348063
  • Helium / oxygen Inhalant Product SCDG · 1160308

📦 FDA Products & Package NDCs

1 product · 4 package NDCs
4 package NDCs map to RxCUI 542167 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
46123-0510-01 606 L in 1 CYLINDER (46123-510-01) Oxygen-Helium Mixture Roberts Oxygen Company, Inc. 1996-01-01
46123-0510-02 622 L in 1 CYLINDER (46123-510-02) Oxygen-Helium Mixture Roberts Oxygen Company, Inc. 1996-01-01
46123-0510-03 5636 L in 1 CYLINDER (46123-510-03) Oxygen-Helium Mixture Roberts Oxygen Company, Inc. 1996-01-01
46123-0510-04 8264 L in 1 CYLINDER (46123-510-04) Oxygen-Helium Mixture Roberts Oxygen Company, Inc. 1996-01-01
Observed labelers: Roberts Oxygen Company, 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.