FDA drug class
Diagnostic Dyes list
Every FDA-approved prescription drug the FDA NDC directory tags with the Diagnostic Dye [EPC] class, with brand names and DEA schedules.
Source: FDA NDC Directory file dated 2026-10-22. Publisher page
The FDA NDC directory lists 3 single-ingredient drugs in this class: fluorescein, indigotindisulfonate, trypan blue. Another 1 combination product include one of them.
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Diagnostic Dyes (4)
| Drug | Brand names | Type | NDC listings | DEA schedule |
|---|---|---|---|---|
| Fluorescein | Fluorescite, Ak-fluor | Single ingredient | 11 | Not controlled |
| Indigotindisulfonate | Bludigo | Single ingredient | 2 | Not controlled |
| Trypan blue | Visionblue | Single ingredient | 2 | Not controlled |
| Fluorescein and benoxinate | Altafluor | Combination | 3 | Not controlled |
FDA established pharmacologic class: Diagnostic Dye [EPC].
Questions
What drugs are Diagnostic Dyes?
The FDA NDC directory lists 3 single-ingredient drugs in this class: fluorescein, indigotindisulfonate, trypan blue. 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.