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Levothyroxine Sodium

NDC 51655-923 · Northwind Health Company, LLC

Generic nameLevothyroxine Sodium

Dosage formTABLET

RouteORAL

Active ingredient(s)LEVOTHYROXINE SODIUM

Strength.1 mg/1

Pharmacologic classThyroxine [CS], l-Thyroxine [EPC]

Marketing categoryANDA

Packages

51655-923-52 — 30 TABLET in 1 BOTTLE, PLASTIC (51655-923-52)

Related Codes

Same active ingredient

FDA lists these products with the same active ingredient.

51655-696 — Levothyroxine Sodium, 51655-705 — Levothyroxine Sodium, 51655-714 — levothyroxine sodium, 51655-723 — levothyroxine sodium, 51655-727 — levothyroxine sodium, 51655-728 — Levothyroxine Sodium, 51655-739 — Levothyroxine Sodium, 51655-742 — Levothyroxine Sodium, 51655-783 — Levothyroxine Sodium, 51655-846 — Levothyroxine Sodium, 51655-924 — Levothyroxine Sodium, 51655-985 — Levothyroxine Sodium, 51655-989 — Levothyroxine Sodium, 51655-997 — Levothyroxine Sodium, 55154-3558 — Levothyroxine Sodium, 55154-3559 — Levothyroxine Sodium, 55154-3560 — Levothyroxine Sodium, 55154-3561 — Levothyroxine Sodium, 55154-3562 — Levothyroxine Sodium, 55154-3563 — Levothyroxine Sodium, +547 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