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Oyster

NDC 22840-5774 · Greer Laboratories, Inc.

Generic nameCrassostrea virginica

Dosage formSOLUTION

RouteINTRADERMAL, PERCUTANEOUS, SUBCUTANEOUS

Active ingredient(s)EASTERN OYSTER

Strength.05 g/mL

Marketing categoryBLA

Packages

22840-5774-2 — 10 mL in 1 VIAL, MULTI-DOSE (22840-5774-2)

22840-5774-5 — 5 mL in 1 BOTTLE, DROPPER (22840-5774-5)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

0268-6189 — CRASSOSTREA VIRGINICA, 0268-8061 — PARALITHODES CAMTSCHATICUS, CRANGON CRANGON, HOMARUS AMERICANUS, CRASSOSTREA VIRGINICA, 0268-8062 — PARALITHODES CAMTSCHATICUS, CRANGON CRANGON, HOMARUS AMERICANUS, CRASSOSTREA VIRGINICA, 22840-9701 — Mercenaria mercenaria, Callinectes sapidus, Crassostrea virginica, Placopecten magellanicus and Farfantepenaeus aztecus

From the FDA National Drug Code Directory, retrieved August 24, 2026. Product listings are submitted by labelers; FDA does not verify them.

Read from: FDA National Drug Code Directory, product.txt and package.txt (accessdata.fda.gov/cder/ndctext.zip) — Snapshot retrieved 2026-08-24, loaded 2026-08-24; CMS Medicare Part B Drug Average Sales Price (ASP) Pricing Files (cms.gov/medicare/payment/part-b-drugs/asp-pricing-files) -- the NDC-HCPCS crosswalk and Part B payment limit files — 2026 Q3 (July 2026 release). All data sources · How to read the labels