FDA Orange Book

Is there a generic for Omniscan?

Omniscan contains gadodiamide. Orange Book status for every listed strength, the approved generic makers, and the listed patents and exclusivities.

Source: FDA Orange Book data file dated 2026-10-09. Publisher page

No. The Orange Book lists no active FDA-approved generic (ANDA) for Omniscan (gadodiamide).

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Omniscan products in the Orange Book

Omniscan products and approved generics
Form and routeStrengthBrand statusBrand TEActive genericsGeneric TE codes
injectable, injection14.35GM/50ML (287MG/ML)DiscontinuedNone0None
injectable, injection28.7GM/100ML (287MG/ML)DiscontinuedNone0None
injectable, injection287MG/MLMarketed (Rx)None0None

NDA 022066, 020123, held by GE HEALTHCARE. Active generics are ANDA products in the Orange Book prescription list with the same ingredient, dosage form, route and strength.

Omniscan NDC codes

Questions

Is there a generic for Omniscan?

No. The Orange Book lists no active FDA-approved generic (ANDA) for Omniscan (gadodiamide).

What is the generic name for Omniscan?

The active ingredient in Omniscan is gadodiamide, per the FDA Orange Book.

What does a therapeutic equivalence code mean?

In the Orange Book, codes that start with A (such as AB) mean FDA considers the product therapeutically equivalent to the reference drug. Codes that start with B mean FDA does not, at this time, consider the product therapeutically equivalent.

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