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River Birch Pollen

NDC 22840-4493 · Greer Laboratories, Inc.

Generic nameBetula nigra
Dosage formSOLUTION
RouteINTRADERMAL, PERCUTANEOUS, SUBCUTANEOUS
Active ingredient(s)BETULA NIGRA POLLEN
Strength.001 g/mL
Pharmacologic classAllergens [CS], Cell-mediated Immunity [PE], Increased Histamine Release [PE], Increased IgG Production [PE], Non-Standardized Pollen Allergenic Extract [EPC], Pollen [CS]
Marketing categoryBLA

Packages

22840-4493-1 — 5 mL in 1 VIAL, MULTI-DOSE (22840-4493-1)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

0268-1062 — Birch River Red, 0268-1063 — Birch River Red, 0268-6609 — River Birch Red, 0268-8024 — BETULA NIGRA, BETULA POPULIFOLIA, 22840-1449 — Betula nigra, 22840-1450 — Betula nigra, 22840-1451 — Betula nigra, 22840-1452 — Betula nigra, 22840-5413 — Betula nigra, 22840-9403 — Betula lenta, Betula nigra and Betula populifolia, 22840-9404 — Betula lenta, Betula nigra and Betula populifolia, 22840-9405 — Betula lenta, Betula nigra and Betula populifolia, 22840-9407 — Betula lenta, Betula nigra and Betula populifolia, 22840-9408 — Betula lenta, Betula nigra and Betula populifolia, 22840-9493 — Betula lenta, Betula nigra and Betula populifolia, 49643-443 — Betula nigra, 65044-1168 — Birch Mix, 65044-1169 — Birch Mix, 65044-1171 — Birch Mix, 65044-1172 — Birch Mix

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