FDA drug class
Radiographic Contrast Agents list
Every FDA-approved prescription drug the FDA NDC directory tags with the Radiographic Contrast 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 10 single-ingredient drugs in this class: barium, carbon dioxide, diatrizoate, iodixanol, iohexol, iomeprol, iopamidol, iopromide, and more. Another 1 combination product include one of them.
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Radiographic Contrast Agents (11)
| Drug | Brand names | Type | NDC listings | DEA schedule |
|---|---|---|---|---|
| Barium | E-Z-Disk, Varibar Thin Liquid, Varibar Nectar, Varibar Thin Honey | Single ingredient | 16 | Not controlled |
| Carbon dioxide | None listed | Single ingredient | 40 | Not controlled |
| Diatrizoate | Cystografin, Gastrografin, Cystografin Dilute | Single ingredient | 7 | Not controlled |
| Iodixanol | Visipaque | Single ingredient | 5 | Not controlled |
| Iohexol | Omnipaque | Single ingredient | 17 | Not controlled |
| Iomeprol | Iomervu | Single ingredient | 2 | Not controlled |
| Iopamidol | Isovue-m | Single ingredient | 14 | Not controlled |
| Iopromide | Ultravist | Single ingredient | 4 | Not controlled |
| Iothalamate | Cysto-Conray II | Single ingredient | 1 | Not controlled |
| Ioversol | Optiray | Single ingredient | 7 | Not controlled |
| Carbon dioxide and oxygen | None listed | Combination | 20 | Not controlled |
FDA established pharmacologic class: Radiographic Contrast Agent [EPC].
Questions
What drugs are Radiographic Contrast Agents?
The FDA NDC directory lists 10 single-ingredient drugs in this class: barium, carbon dioxide, diatrizoate, iodixanol, iohexol, iomeprol, iopamidol, iopromide, and more. Another 1 combination product include one of them.
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.
Related
- BariumE-Z-Disk, Varibar Thin Liquid
- DiatrizoateCystografin, Gastrografin
- IodixanolVisipaque
- IohexolOmnipaque
- IomeprolIomervu
- IopamidolIsovue-m
- IopromideUltravist
- IothalamateCysto-Conray II
- All drug classesFDA EPC
- Controlled substances by scheduleDEA list
- Generic drug lookupFDA Orange Book
- NDC lookupFDA NDC directory
- Medicare Part D drug coverageBy plan and state