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Levothyroxine Sodium 25 mcg Tablets

These are oral tablets containing 25 micrograms of levothyroxine sodium, a synthetic thyroid hormone used to treat hypothyroidism. They are put up in measured doses in blister packs for retail sale, classifying under HTS 3004.39.0030 due to the specific hormone content and therapeutic use.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳ChinaFree+100.0%100%
🇲🇽MexicoFree+100.0%100%
🇨🇦CanadaFree+100.0%100%
🇩🇪GermanyFree+15.0%15%
🇯🇵JapanFree+15.0%15%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3004.39.00Same rate: 100%

If containing liothyronine or its salts instead

Different thyroid hormone analog shifts to specific subheading for other hormones of heading 2937.

3004.90Lower: 12.5% vs 100%

If not put up in measured doses or retail packing

Bulk powders or unpackaged forms fall under general medicaments, excluding retail dose requirements.

2937.90Lower: 12.5% vs 100%

If imported as pure unmixed hormone without formulation

Unformulated hormones of heading 2937 classify separately before mixing into medicaments.

Not sure which classification is right?

The Tariff Assistant works through the GRI rules on your specific product to reach the right HTS code — and can price the duty on it in the same conversation.

Import Tips & Compliance

• Obtain FDA approval and registration for drug imports; provide Certificate of Pharmaceutical Product (CPP)

• Include detailed batch certificates, stability data, and proof of measured dosing to avoid misclassification

• Verify labeling meets US pharmacopeia standards; common pitfall is insufficient hormone content documentation