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Oxygen/Nitrogen 21/79

Generic: Oxygen/Nitrogen 21/79

Verified·Apr 23, 2026
Manufacturer
Air Liquide
NDC
55037-830
Route
RESPIRATORY (INHALATION)
ICD-10 indication
E11.9

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About Oxygen/Nitrogen 21/79

What is this medication? Oxygen/Nitrogen 21/79 is a prescription medical gas mixture that consists of twenty-one percent oxygen and seventy-nine percent nitrogen. This specific concentration mimics the natural composition of the Earth's atmosphere but is produced and filtered to meet rigorous pharmaceutical standards for purity. It is primarily used to provide respiratory support for patients who require a clean and controlled source of air. Healthcare providers often prescribe this mixture for individuals who have difficulty breathing or for those who need a steady supply of air that is free from the contaminants and moisture variations often found in ordinary room air. Beyond general respiratory support, this gas mixture is frequently used in clinical settings as a carrier gas for various inhaled medications and anesthetic agents during surgery. It is also commonly employed to power medical equipment such as nebulizers or to provide ventilation for patients in intensive care units. Because it is a standardized medical product, it allows doctors to maintain precise control over the gaseous environment being delivered to a patient's lungs. As a regulated prescription drug, it must be administered by or under the supervision of trained medical personnel to ensure it is used safely for its intended therapeutic purpose.

Copay & patient assistance

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Prior authorization & coverage

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Medicare Part D

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How this page is sourced

  • Drug identity verified against openFDA NDC Directory.
  • Label text (when shown) originates from NLM DailyMed.
  • Copay and assistance URLs verified periodically; if you hit a broken link, tell us.