FDA drug class

Inhalation Diagnostic Agents list

Every FDA-approved prescription drug the FDA NDC directory tags with the Inhalation Diagnostic Agent [EPC] class, with brand names and DEA schedules.

Source: FDA NDC Directory file dated 2026-10-22. Publisher page

The FDA NDC directory lists 1 single-ingredient drug in this class: xenon xe-133.

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Inhalation Diagnostic Agents (1)

Inhalation Diagnostic Agents: FDA Inhalation Diagnostic Agent class
DrugBrand namesTypeNDC listingsDEA schedule
Xenon xe-133None listedSingle ingredient6Not controlled

FDA established pharmacologic class: Inhalation Diagnostic Agent [EPC].

Questions

What drugs are Inhalation Diagnostic Agents?

The FDA NDC directory lists 1 single-ingredient drug in this class: xenon xe-133.

Where does this list come from?

From the established pharmacologic class (EPC) field FDA publishes for each listing in the NDC directory. A drug is listed when most of its prescription listings carry the class.

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