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Magnesium Sulfate

NDC 63323-642 · Fresenius Kabi USA, LLC

Generic nameMAGNESIUM SULFATE HEPTAHYDRATE
Dosage formINJECTION, SOLUTION
RouteINTRAMUSCULAR, INTRAVENOUS
Active ingredient(s)MAGNESIUM SULFATE HEPTAHYDRATE
Strength500 mg/mL
Pharmacologic classCalculi Dissolution Agent [EPC], Increased Large Intestinal Motility [PE], Inhibition Large Intestine Fluid/Electrolyte Absorption [PE], Inhibition Small Intestine Fluid/Electrolyte Absorption [PE], Magnesium Ion Exchange Activity [MoA], Osmotic Activity [MoA], Osmotic Laxative [EPC], Stimulation Large Intestine Fluid/Electrolyte Secretion [PE]
Marketing categoryNDA

Packages

63323-642-20 — 25 VIAL, SINGLE-DOSE in 1 TRAY (63323-642-20) / 20 mL in 1 VIAL, SINGLE-DOSE (63323-642-01)

63323-642-50 — 25 VIAL, SINGLE-DOSE in 1 CARTON (63323-642-50) / 50 mL in 1 VIAL, SINGLE-DOSE (63323-642-02)

Billed under HCPCS

J3475 — Injection, magnesium sulfate, per 500 mg Medicare Part B payment limit (ASP + 6%): $0.45

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

61594-003 — MAGNESIUM SULFATE HEPTAHYDRATE, 61594-004 — MAGNESIUM SULFATE HEPTAHYDRATE, 61594-006 — MAGNESIUM SULFATE HEPTAHYDRATE, 61594-007 — MAGNESIUM SULFATE HEPTAHYDRATE, 61594-010 — MAGNESIUM SULFATE HEPTAHYDRATE, 61594-011 — MAGNESIUM SULFATE HEPTAHYDRATE, 63323-064 — MAGNESIUM SULFATE HEPTAHYDRATE, 63323-106 — MAGNESIUM SULFATE HEPTAHYDRATE, 63323-107 — MAGNESIUM SULFATE HEPTAHYDRATE, 63323-108 — Magnesium Sulfate Heptahydrate, 63941-602 — Magnesium Sulfate, 68083-396 — MAGNESIUM SULFATE HEPTAHYDRATE, 68083-397 — MAGNESIUM SULFATE HEPTAHYDRATE, 69842-602 — Magnesium Sulfate, 70000-0021 — MAGNESIUM SULFATE, 70121-1719 — Magnesium Sulfate In Water For, 70121-1720 — Magnesium Sulfate In Water For, 70518-4375 — MAGNESIUM SULFATE HEPTAHYDRATE, 70860-501 — magnesium sulfate in water, 70860-502 — magnesium sulfate in water, +86 more

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