Spring Birch Pollen

NDC 49643-441 · Allermed Laboratories, Inc.

Generic nameBetula fontinalis

Dosage formINJECTION

RouteCUTANEOUS, INTRADERMAL, SUBCUTANEOUS

Active ingredient(s)BETULA OCCIDENTALIS POLLEN

Strength.05 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

49643-441-05 — 5 mL in 1 VIAL, MULTI-DOSE (49643-441-05)

49643-441-10 — 10 mL in 1 VIAL, MULTI-DOSE (49643-441-10)

49643-441-30 — 30 mL in 1 VIAL, MULTI-DOSE (49643-441-30)

49643-441-50 — 50 mL in 1 VIAL, MULTI-DOSE (49643-441-50)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

22840-1454 — Betula occidentalis, 22840-1455 — Betula occidentalis, 22840-1456 — Betula occidentalis, 22840-4436 — Betula occidentalis, 22840-5414 — Betula occidentalis

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 Q4 (October 2026 release). All data sources · How to read the labels

Current data releases:ICD-10-CM FY2027 · ICD-10-PCS FY2027 · HCPCS October 2026 · MS-DRG v44 · Medicare Code Editor v44.0 · NCCI PTP Q4 2026 · MUE Q4 2026 · NCD code lists 2026-01 · LCD export September 28, 2026 · All releases and sources